the correct answer is tariff.
It allowed ideas to spread faster
I think the word you are looking for is Militarianism.
D they had some problems with the government being controlled by the local warlords
The correct answer is D) nothing specific
At that time, the US focused on other things such as repairing Europe and ensuring that it's economy was the strongest in the world. It was not so important for the US that Mao Zedong took over China.
