Switch out the soil with more fertile soil
The correct answer in this case would be militarism (b). The reason why this is the correct answer because a nation's tendency to expand its armed forces and acquire new and better weapons is also exactly that - militarism.
Other answers here wouldn't be correct because they have different meanings. The only thing that would come close is imperialism which has some similarities but is used in different contexts.
Answer:
annexation of tejas territory of mexico
The issue that caused sectionalism to develop were more geographical. It is mainly because the people in the North was growing more into an industrialized society, that is why they had industrial interest, whereas the South are more focused on their agricultural development.
Exspensive for the U.S to send soliders over seas