Answer:
The high number of British casualties needed to win at Guilford Courthouse
The nickname given to the 1st United States Volunteer Cavalry was the Rough Riders.
The extension of a nation's authority by territorial acquisition or by the establishment of economic and political dominance over other nations.
Cultural diffusion is the spread of culture from one area to another for example the spread of Islam. Today cultural diffusion is a simpler process due to technological advancements such as the internet, but in the past cultural diffusion happened mainly when people traveled to other countries.