Which economist developed an economic theory that became influential during the global depression as well as the rest of twentieth century?

John Maynard Keynes is the correct answer.

Explanation:

John Maynard Keynes was British Economist and the ideas he propounded are known as Keynesian economics. It  affected the modern political and economic theory and affected government tax and economic policies. He proposed that governments can stop the negative effects of economic recessions by tax and banking measures. He is considered father of Modern Economics. He wrote the book How to Pay for the War during the second world war.

the most famous of all the units fighting in cuba, the "rough riders" was the name given to the first u.s. volunteer cavalry under the leadership of theodore roosevelt. roosevelt resigned his position as assistant secretary of the navy in may 1898 to join the volunteer cavalry. the original plan for this unit called for filling it with men from the indian territory, new mexico, arizona, and oklahoma. however, once roosevelt joined the group, it quickly became the place for a mix of troops ranging from ivy league athletes to glee-club singers to texas rangers and indians.

answer:

won re-nomination with no opposition he also had the support of his party

explanation:

it saw incumbent president andrew jackson, candidate of the democratic party, defeat henry clay, candidate of the national republican party. jackson won re-nomination with no opposition, and the 1832 democratic national convention replaced vice president john c. calhoun with martin van buren.