Can you please mark me as the brainliest answer? C, with interchangeable parts, factories worked faster, they could quickly change a part or replace. It is still used today.
In the history of Europe, the Middle Ages (or medieval period) lasted from the 5th to the 15th ... In Northern Europe, cities also shrank, while civic monuments and other public buildings were raided for building ...
I think the answer is B - Slavery
They might be Middle eastern?
Martin Luther believed in God and when he found out that they didn't also believe much in God he criticized the Catholic Church. I hope this helps.
