What happened to the world???

To keep other european powers from threatening its empire in america, spain sent soldiers, settlers, and?

The service industry in the united states grew in the late 1800s. what was one effect of that growth? the number of people with jobs in factories as unskilled workers decreased. the number of people with jobs in factories as unskilled workers increased. the middle class grew as people took jobs as clerks, lawyers, and teachers. the middle class shrank as people left jobs as clerks, lawyers, and teachers.

Why did the federalists support the ratification of the constitution? they believed in a strong federal government. they thought that it would end slavery. they were afraid the british would take over again. federalists believed the constitution provided just the right mix of power and limitations on power.