What are the origins of the Cold War? How and Why did it start?

The Cold War began after the surrender of Nazi Germany in 1945 when the uneasy alliance between the United States and Great Britain on the one hand and the Soviet Union on the other started to fall apart. The Americans and the British worried that Soviet domination in eastern Europe might be permanent.

Explanation:

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.

by 1880, germany had more rail lines than great britain and russia.