The <span>most important cause of the split between the eastern and western half of the Christian Church was disagreements over the power of the Pope, and indeed the power of the Church in general over people's lives. </span>
C. borrowing funds is your best answer.
While the government <em>can</em> raise taxes, this is obviously one of the last resorts, as the working-class generally resent increases in taxes. Another way is to borrow money through <em>bonds and borrowing from banks</em>. In both cases, the government borrows a sum of money, and agrees to pay back the sum and interest within a certain amount of time.
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True they were not able to keep up with things
The practical necessity of having to care for their daily needs.
I am not sure what exactly you want to receive as an answer but Ill give 2 examples.
After the rise of the Third Reich Jewish people were forced to migrate from Germany to neighboring countries and a lot of them in fact fled to United States including the famous scientist Albert Einstein.
The other example is the forced migration of Native Americans during the settlement and colonization by the American Colonies as they were trying to go farther down the continent.