Which Constitutional Amendment allowed a federal income tax?

Refer to "Timeline: The Battle Over Health Care Reform." Which statement is true about the battle over health care reform?

a. Bill Clinton made health care reform a priority in his first term, and his proposal for it gained much support in Congress. b. Senator Edward Kennedy's Health Security Act was passed by Congress but ruled unconstitutional by the Supreme Court. c. Health care reform has been proposed in various forms since the early twentieth century. d. Barack Obama was the first president to propose health care reform.

Answer the following statement(s) true (T) or false (F)

1. In 2016, British voters chose to leave the European Union because they wanted their government to have more control over national policies. 2. Since the end of World War II, nationalism has been the most influential factor driving the development of the world economy and its institutions. 3. A nation’s security can most accurately be measured by the size of its military and the possession of advanced weapons systems. 4. One way that wealth confers power is through its ability to bring more order to relations between countries. 5. China’s decision to develop its arms industry domestically rather than through international trade derived from a commitment to modernize its military in the shortest possible time.