A is the correct I hoped that helped
They operate, maintain or repair geothermal power plants and commercial and residential geothermal heating installations. (googled this for you)
The expansion of the railroads in the late 1800s was instrumental in helping the US economy boom. It did this in two ways. First, the railroads created a tremendous amount of demand for goods and labor on their own. As the railroads were being built, they needed huge numbers of people to build them.
Explanation:
Answer:
d It stopped the German military advance to the East.
Explanation:
The Battle of Stalingrad was a major battle in World War II. It involves the German army and its allies against the Soviet Union Army.
It was fought in September 1942, at which the German army lost about a quarter of their total army in the battle. And still could not take over the territory.
This led to the German Army unable to contain the invasion of Soviet Union soldiers when they advanced to the German territory.
Hence, the Battle of Stalingrad was considered a turning point of World War II because "It stopped the German military advance to the East."
