When President Obama talked about a "pivot to Asia" in America's foreign policy priorities, they were referring to which of the following?

a. China's economic rise and increasing military power, along with its takeover of American allies like Vietnam, Taiwan, and Indonesia, leading India and Japan to forge closer relationships with the United States
b. the goal of the United States to stay on peaceful terms with China and Japan in order to obtain repayment of the economic development loans America has extended to them
c. China's economic rise and increasing military power, along with its interest in countries rich in oil and gas, leading India and Japan to forge closer relationships with the United States
d. the increased interest among American businesses in moving factories to Asian countries such as China, Taiwan, and Japan to procure cheaper labor and thereby increase profits

c