The answer is b because the empire made an advance
Francisco franko was a military dictator in Spain in 1939
Answer:
assignation of archduke Franz Ferdinand
Two major forms were indentured servitude and full slavery. In slavery, people were slaves and had to work forever or until they get sold or freed. In indentured servitude, people would work until their debts were paid, commonly these debts being there because they wanted to get to the new world.