Explanation:
the most complex energy system is the aerobic or oxygen energy system which provide mass of the body's ATP
The German plan was the plan used to respond to the mobilization of its eastern neighbor
The treaty of Versailles was an unfair treaty because they blamed everything on Germany and restricted its capabilities as a country and they had to pay for the war to the other states/counties
I believe the answer is: C. He was worried about his border with North Korea being in jeopardy.
Mao zedong feared that if he let the allied forces took control of north korea, the allied forces would be able to establish a navy base on that territory and exposed the chinese mainland from naval attack from north Korea. Because of this, he decided to help the north korean with both millitary soldiers and supplies.