The first answer would be answer c. then question 2 would be c also. the third is b
The Eastern Front or Eastern Theater of World War I (German: Ostfront, Russian: Восточный фронт, Vostochny front) was a theater of operations that encompassed at its greatest extent the entire frontier between the Russian Empire and Romania on one side and the Austro-Hungarian Empire, Bulgaria, the Ottoman Empire and the German Empire on the other. It stretched from the Baltic Sea in the north to the Black Sea in the south, involved most of Eastern Europe and stretched deep into Central Europe as well. The term contrasts with "Western Front", which was being fought in Belgium and France.
In the United States, the Constitution is the ultimate "law of the land," meaning that the federal government has sovereignty over the states--although some powers are "shared".
Explanation:
The equator is an imaginary line on Earth's surface that runs between the north and south poles (the northernmost and southernmost points on the Earth). It also divides the Earth into the northern and southern hemispheres and is a major navigational line.