where is the question that you are confuse
The correct answer is <span>A. Electric lights made it possible for factories to run after dark.
The conditions were still dreadful and it didn't reduce accidents. It only made it possible for factories to run after dark which made conditions even worse since people started working for over 12 hours a day in order to keep their jobs since they were easily replaceable in the factories because the jobs were mostly low skilled jobs.</span>
Answer:
The United States wanted to influence the world to protect democracy.
Explanation:
If the response is that
<em>The domino theory led to conflict in Vietnam</em>
the idea to be included in the response has to be the one mentioned above.
The domino theory was an American Cold War theory that said that Communism (threatening democracy) would spread through Asia as countries falling as domino stones for communism.
This theory formed part of the influential US foreign policy in order to protect Western democracy throughout the world.
I'm pretty sure (1) Trade with Asia is right because the plague was carried by rats on ships coming from the East to the West.
Also, you can guess by the dates. The Black Death was in the 12th and 13th centuries, while conquest of Japan and exploration of the Western Hemisphere were in the 14th century.