The purpose is that it allows them to make more money farmingthen they have to pay in rent which allows them to make money. Tenant farmers are an easy way to get into thefarming industry without the cash outlay of buying a farm
The Incas were highly advanced in terms of mathematics and
astronomy. Their unique architecture of
massive stonework is made possible by their great understanding of mathematics.
Inca structures where made of precisely hewn stones that fit together so
perfectly without use of mortar. They also understood astronomy and made very
accurate calendars.
D is the answer I hope this helps
Two major events triggering modernization of the middle ease would be World War I that started the rise of ethnic consciousness, overthrowing the ottoman rule. And the founding of Israel on 1948 which had established better access to other countries around the world starting the resolution of conflict with the help of UN which will then allow the countries to develop.
