Here are afew things, Under water warfare sub, the chronometer, and the toilet.
In the months leading up to World War 1, the United States wanted to maintain its neutrality because it felt that the issues taking place in Europe had nothing to do with them, and they did not want to sacrifice American lives for another country's fight.
Because Goldman was for the work and Frick was against it.
I hope this helped.
The correct answer is B, since that diagram best explains a cause and effect relationship that has shaped U.S. politics. In fact, restrictions on who can receive public campaign funds have contributed to the persistence of the two-party system.
Public funding of political campaigns in the United States is quite limited, so candidates end up going to private financing. This, in turn, only finances those who have real chances of getting the positions in the voting, which ends up closing the question between Democrats and Republicans, strengthening the two-party system.