1. Germany threatened to invade
2. Mexicans
3. Filipinos
The corruption within the communist Chinese government, lack of freedom of speech, press, and restriction on political participation. Inflation and the democratic movement in Eastern Europe are triggers of the incident.
The question is asking with what kind of document or action "the president can quickly respond to economic, social, or political needs". The best way to the president solve problems quickly, is to use a executive order. So, the answer for the question is letter b) signing executive orders. <span>Is important to remember that the president can't signing legislation without the support of the legislative power.</span>