What common goal was shared by the united states and european nations during the age of imperialism?

The industrialization of less developed nation is the common goal shared by the united states and European nation during the age of imperialism. Industrialization has extended the united states in the early 19th century and eventually spread to most western European nations before the end of century.

Explanation:

the answer for 3 is b and the answer for 4 is d

political parties are protected under 6th amendment.