Answer:
As more railroads were built, it helped to expand the nation and the West Industries cropped up in the West and used the railroads to link industry to markets in the Eastern part of the nation.
In a market economy, the interaction of supply and demand determines the quantity and equilibrium price of the goods and services traded. Likewise, the market is responsible for the distribution of income through the possession of productive factors (capital, labor, etc.). In a market economy, the key signals are prices, which indicate the relative scarcity of resources.
The American attitude shifted in favor of rights for Native Americans. This is based on "Polls showed that Americans believed in rights for Native Americans". Why it's not A is because it wasn't the polling that contributed to the act, but what the polls showed which is C.
Answer:The widespread use of machine guns and rapid-firing artillery pieces on the Western Front meant that any exposed soldier was vulnerable. Protection from enemy fire could only be achieved by digging into the earth. Assaults were carried out across "No Man's Land" between the opposing trenches.
