Heat cause thremal has to do with heat
The correct answer is D) ice formed on the rigging, rails, sails and a storm crippled one of the ships. That was the time when Magellan found a sea route called Straits of Magellan, which is in southern Chile. It is the most important passage between the Atlantic and Pacific oceans.
The north had so many manufacturing plants that's what the north depended on the south depended on cotton and slavery