Since Russia had an alliance with Serbia, it ordered its forces to mobilize for war. it wasn't a formal alliance, but it did specify that if someone declared war on Serbia, Russia would also step in. This resulted in other countries also getting involved in the war. The answer would be D!
-TetraFish
C. Each city-state had its own form of government.
Explanation:
The city-states acted as sovereign units running their own government systems. There were basically four types of governments found in Greek city-states.
They used monarchy, a government with a king/queen and uses heredity, oligarchy, a government with a few in charge, democracy, where all citizens had a voice and a vote, and lastly tyranny, where the government is ruled with an iron fist with one leader having all control.
Answer:
Immigrants increase diversity because they come from all around the world and create more & more generations (kids) to grow in the United States.
Explanation: