Answer:
Aryans from central Asia invaded South Asia and introduced the caste system as a means of controlling the local populations.
Explanation:
The answer would be D, push Americans to buy American-made products
The Maya civilization stretched from southern Mexico in the north - an area referred to as the lowlands that included a hot coastal plain along the Pacific Ocean and a tropical rainforest in the Yucatan Peninsula - to the highlands of modern-day Guatemala, Belize, El Salvador, and Honduras.
Afghanistan is probably the biggest one. A lot of other middle eastern follow suit as well: Iran, Saudi Arabia, etc.
The correct answer is - protection of the cargo.
The wicker fence on the ships of the Phoenicians had the purpose to protect the cargo. Since the sea waters are not always calm, and very often, out of nowhere, a storm can emerge and contribute to bigger waves, as well as rocking of the ship itself, the Phoenicians invented a simple trick, and that was the wicker fence. With it on place, the cargo was safe on the boat, and it was not able to slip away and be lost in the sea.