Answer:
The population of Western Europe became more rural as Roman centers of trade collapsed, cities were left without strong leadership. Other city dwellers moved to rural areas to grow their own food.
Explanation:
What ultimately brought the US out of its neutrality was when the Germans wanted to stop supplies from getting to Great Britain from the US. So, they sunk the supply ships which also had hundreds of Americans on board which the Germans killed altogether (triggering their anger and causing them to join the war).
<span>The Berlin AirliftWhen Germany was divided into zones at the end of World War 2, Berlin was divided into four sectors - one Soviet, one American, one British</span>
It didn't give the government the power to collect taxes or regulate trade. The national government was weak