The Blitzkrieg tactic, which was the usage of overwhelming air power allowed the Germans to acquire territory quickly and intimidate their enemies. The use of the lighting war on Great Britain, for instance, was ultimately unsuccessful.
Industrialization would later influence imperialism and encourage free trade.
Answer:
The United States was still recovering from the impact of the Great Depression and the unemployment rate was hovering around 25%. Our involvement in the war soon changed that rate
Explanation:
There has always been slavery inside Africa.
(Sadly slavery is still in Africa today.)
Europeans sold goods that the kingdoms wanted.
The kingdoms kept pushing further and further into the interior.
This created a continuous cycle.
Whites were sold into slavery in Africa also.
(They were captured from barbery pirates in North Africa.)
They were known as the Sans Culottes.