The modern game of baseball spread throughout the world with US servicemen, travelers and missionaries to other countries. This is an example of which type of diffusion

just finished this it is b. centrifugal force

"they had a large area of land that they owned."

the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.

i think the answer's are a) b) and c)