Before even entering World War 2,The United States of America was neautral, meaning neither side. But everything changed after the Boming of Pearl Harbor by the invasion of the Japanese. That's why The United States of America declared war on Japan and entered World War 2. Have a fantastic day! ^_^
During the period between the Han and Sui Dynasties, in China, is known as the "Period of Disunity." This period is also known as the "Six Dynasties" period. During this period the country was divided into smaller regions. These six regions; Chen, Liang, Southern Qi, Liu Song, Eastern Jin and Wu, were all in conflict with on another. There was not a unified China.
the answer is C, if you're referring to the revolutionary war.