7. What reason does the author give for the end of the age of the pharaohs?

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts

the correct answer is d

a conference committee is a group of congress representatives appointed by the senate and the house to reach an agreement over a bill that had different versions in each chamber. this is due to the fact that, to pass a law. both the house and the senate must agree on the exact same content and wording of the bill to present it to the president.

a. poison gas was sprayed over battlefields by airplanes to weaken enemy positions before major attacks.