They sometimes grew food for the union army (while the plantation owners were away).
Fundamentally African countries are an creation of europe. They have European languages because they are from europe!
The people form England who we unemployed moved there so they could get a job and so they built a lot more businesses to get jobs for these people
Roman concrete is very similar to what we use today. It was used to build structures and many buildings. It was revolutionary at the time as not many things were made of something such a concrete. The Romans proved to be much more advanced than other people and a leader in the world at the time.
I am pretty sure the answer is B
