Answer:
The space race was a series of competitive technology demonstrations between the United States and the Soviet Union, aiming to show superiority in spaceflight. It was an outgrowth of the mid-20th-century Cold War, a tense global conflict that pitted the ideologies of capitalism and communism against one another, according to an online exhibit from the National Air and Space Museum. that is why the space race was more than just about getting astronauts into space
D is the correct answer because they were allied with other nations true.
The steam locomotive allowed for the transportation of goods at a much more rapid rate than by horse. The railroad let people know exactly where and when goods would arrive. The trains also gave the cargo a safer ride as it was much more difficult to rob a train than a horse drawn transport. As more railroads were built, products could travel farther than ever before in a timely manner. This brought down the cost of freight transport and increased profits for many businesses.
Answer:
Urbanization
Explanation: Millions poured into cities for jobs in factories during the industrial era. This rapid urbanization resulted in overpopulation, crowded tenements, strain on city service, health issues etc.