When the Suez Canal finally opened in 1869, it abolished at a single stroke the geographical necessity that had governed all trade between Europe and Asia for many centuries. Before its completion, a ship bound from a European port to India or the distant Far East had no choice but to sail the entire length of Africa, rounding the treacherous Cape of Good Hope in a gruelling voyage of many thousands of additional miles. By cutting an artificial channel through the narrow isthmus separating the Mediterranean from the Red Sea, the canal severed thousands of miles from that journey and thereby transformed the fundamental economics of long-distance commerce. What had for so long been a hazardous undertaking of many months became appreciably shorter, considerably cheaper, and far more reliably predictable.
The consequences of this rippled outward far beyond the immediate shipping lanes. By dramatically shortening the sea passage to Asia, the canal bound distant markets much more tightly to the industrial economies of Europe and greatly accelerated the flow of raw materials in one direction and manufactured goods in the other. It also conferred immense strategic value upon whoever happened to control it. Britain, though initially quite sceptical of the French-led construction project, soon grasped its critical importance to the imperial lifeline connecting the home islands to India, and promptly manoeuvred to acquire a controlling interest in the operating company. For many decades thereafter the waterway was as much a potent instrument of imperial power as it was a simple conduit of ordinary commercial trade.
The canal's fortunes have risen and fallen ever since with the shifting currents of geopolitics. Its outright closure during the bitter conflicts of the mid-twentieth century forced global shipping back onto the long African route, imposing heavy and unwelcome costs and vividly demonstrating just how dependent global commerce had quietly become upon this single artificial channel. When it eventually reopened, traffic swiftly and gratefully returned, a lasting testament to the enduring economic logic of the shortcut. In more recent times, the ageing waterway has faced fresh pressures, from cargo vessels grown almost too large for it to competition from proposed alternative routes, yet it stubbornly remains one of the busiest and most consequential maritime passages anywhere on the face of the earth.
The Suez Canal thus vividly illustrates a much broader truth about infrastructure and economic geography. A single ambitious engineering achievement, simply by altering the cost of moving goods across space, can redraw the entire map of global commerce and decisively shift the delicate balance of power among rival nations. The canal did not merely shorten one long voyage; it thoroughly reorganised the very patterns of trade, investment, and rivalry that went on to shape the modern world. Its long and turbulent history stands as a standing reminder that the humble and easily overlooked question of how cheaply cargo can travel from one place to another lies far closer to the beating heart of great historical events than is often casually supposed.
(1) 正解 2. It removed the need to sail around Africa.
第1段落は運河がアフリカ迂回の必要を一挙に廃したと述べる。2が正解。
(2) 正解 2. Because of its strategic value to the empire.
第2段落はイギリスが帝国とインドを結ぶ生命線としての重要性を把握し支配権を得ようとしたとある。2が正解。
(3) 正解 2. That global commerce depended heavily on the channel.
第3段落は閉鎖が世界通商のこの水路への依存度を示したと述べる。2が正解。
cram:詰め込み勉強をする
to study intensively over a short period(cram for an exam。一夜漬け。)
counterintuitively:直感に反して
in a way contrary to what one would expect(研究結果の意外性を導入する副詞。)
baseload:ベースロード(基幹)電力
the minimum continuous level of demand met(常時安定供給される電力。地熱・原子力が担う。)
isthmus:地峡
a narrow strip of land connecting two larger areas(スエズやパナマの地峡。発音は「イスマス」。)
conduit:導管、経路
a channel or means of conveying something(a conduit of trade のように比喩的にも使う。)
intricate:入り組んだ、複雑な
very complicated or detailed(intricate mechanism/argument。)
niche:生態的地位、適所
the role and position a species occupies(生態学の重要語。「ニッチ市場」の語源。)
resilience:回復力、強靭さ
the capacity to recover from difficulties(生態系や個体群の頑健さを表す。)