Brainlest for the answer! What was an effect of the Mongol invasions during the Kamakura shogunate?

a The invasions were costly to defend against, and they created financial problems.
b The invasions strengthened the economy because people spent money to prepare for war.
c The Mongols won and oversaw a new period of peace that lasted nearly three hundred years.
d The Mongols overthrew the shogunate and brought an end to the feudal system.

the affect on the Various educators teach rules governing the length of paragraphs. They may say that a paragraph should be 100 to 200 words long, or be no more than five or six sentences. But a good paragraph should not be measured in characters, words, or sentences. The true measure of your paragraphs should be ideas.

Explanation:g

hello!

according to the passage the most suitable options are two. the first one is "by leading the aef to victory in several key battles" like the battle of saint- mihiel and the battle of cantigny mentioned in the passage you copied here. the second one is "by the aef and allied forces defeat germany" since the passage says that his army destroy the german resistance in the meuse- argonne offensive. and also, "by insisting that the aef operate as an independent force".

hope this