Colonial unity, an ongoing struggle, was necessary for preserving freedom. It was imperative that the colonies put aside their differences and unite even during the French and Indian War when they were allies with the British.
After 1880 the bulk of immigrants going to the U.S. were coming from Europe.
C. He believed it would help the country's financial problems.
I believe 10 is C. representative democracy and constitutional monarchy
9 is C, as the state are under the authority of the US, which is the supreme law of the land
hope this helps
Helped make them a stronger nation but also a bigger target, the more countries you control, the tastier you look for a bigger country to take you out and take your puppeted countries.