Most caste systems in our history were based on a person's skin color. I'm gonna take a guess that it would be the same for this part of the world.
Its A. A good example of this is the declaration of martial law in cities such as Chicago during riots because its in the best interest of the public to restrict certain rights in ways such as placing a curfew.
Answer:
Buying factors of production from firms.
Explanation:
B. unrestricted submarine warfare and the zimmerman telegraph
The Zimmermann Note, or telegram, was sent by German Foreign Minister Arthur Zimmermann. He sent it to his ambassador in Mexico and the goal was to get Mexico to become an ally of Germany. It said that Germany would, after it won the war, give the Southwestern US back to Mexico. The United States entered the war because of the Germans' decision to resume the policy of unrestricted submarine warfare, and the so-called "Zimmerman telegram."
Answer:
The 1862 Homestead Act accelerated settlement of U.S. western territory by allowing any American, including freed slaves, to put in a claim for up to 160 free acres of federal land.
Explanation: