I believe your answer is the Aztecs.
Answer:
The two main kinds of slavery were indentured and chattel.
Explanation:
Slavery is a situation in which one person (the slave) is the property of another (the master). Thus understood, it constitutes a particular form of production relationship, typical of a certain level of development of the productive forces in the evolution of the economy.
There were two main forms of slavery: the indentured servitude, which consisted of a temporary contract of servitude, in which the indentured servant worked free for a certain time, in exchange for a certain benefit; and the chattel slavery, by which the slave was wholly owned by his master, without any kind of rights.
The sex ratio – the share of the population that is female – varies across the world. And globally in 2017 the share of women in the world was 49.6%.
The answer is B. It was the barrier so to say between communism and capitalism.
