What was Roosevelt’s purpose in invading North Africa?

He negotiated with Churchill to attempt to shove the German empire  out, to include expertise to the force, and to assist Britain in protecting the Suez Canal.

Explanation:

he agreed with Churchill in wanting to invade the edge of the German empire (controlled by Hitler), wanted to give the army experience, and wanted to help Britain protect the Suez Canal

Explanation:

While the majority of American military leaders had their doubts about the value of a North African invasion and its chances of success, President Roosevelt was attracted to the idea largely because it afforded an early opportunity to carry the war to the Germans.

the use of email to replace slower surface mail.

it affected it because the kingdoms (with trade) slowly got richer and richer.