Answer:
The answer is George B. McClellan.
Explanation:
Colonialism intensified after World War I because colonial powers such as England and France emerged from the war weakened and close to bankruptcy. Consequently, they believed that colonialism would help them on their path to economic recovery and survival as international powers.
Because of the unrestricted attacks German submarines were making on American ships
According to George Washington the nation would have split up if it stayed a confederation.