During the recession that began in late 2007, caused the most problems for U. S. Banks.

A) soaring inflation
B) the mortgage crisis
C) falling interest rates
D) high interest rates

During the recession that began in late 2007,  the mortgage crisis caused the most problems for U. S. Banks

Explanation:

The mortgage crisis was a rather watershed moment in American economy that caused a great economic slowdown with the investors losing trust in the massive industry and the government and the stock market losing a lot with the bailout loans that were eventually given to fix the market.

The mortgage crisis arrived due to certain shady practices in the housing and real estate industry which had got the prices of houses soaring and were fiddling with the mortgage that was to be given by the people.

b) the importance and limits of political power.

the first forms of writing came from them in the form of pictographs around 3100 bc.