What is true about the development of an Asia-centric world as a U. S. foreign policy concern? China--not the U. S.--appears to have emerged as the leader in the new global power structure.

Nations in the Pacific Rim are refusing to work with China and southeast Asian nations.

The U. S. holds nearly $1 trillion in Chinese debt, enabling it to hold Asian trade at bay.

Only nations such as Japan and South Korea are expanding, while China is stagnating.

soviet influence spread across eastern europe sharply during and after wwii. the soviet armies liberated the countries in eastern europe and occupied them from the germans as they were forced to retreat towards germany.

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live

this is a good question! i'll do some research and come back when i have the answer!