Sun yat-sen was imprisoned for robbery in burma when the 1911 revolution broke out. had been the secret leader of the boxer rebe
llion. supported the qing but demanded more representative government for china. created the tongmenghui/revolutionary alliance. became the first president of the chinese republic after the 1911 rebellion.
Sun Yat-sen is one of the most important 20th century Chinese political figures. He is hailed as a "father of the nation" but his career was tumultuous one. He was instrumental in overthrowing the Qing dynasty but after the second revolution because of the Tongmenghui he had to flee but was for a short time imprisoned in Britain where he was in exile by the Chinese who recognized him.
The principle of federalism allows states to have power too. The system of checks and balances keeps the military in control and is necessary to protect our country against enemies. The system of checks and balances will ensure Congress does not abuse it's power.
I think the best answer from the choices listed above is option D. It is at dry that physical weathering most likely to happen. Hope this answers the question. Have a nice day.