O<span>verpopulation, growing cities, damming of rivers, and the need for more irrigation.</span>
Answer:
Another responsibility of citizens is voting. The law does not require citizens to vote, but voting is a very important part of any democracy. By voting, citizens are participating in the democratic process. Citizens vote for leaders to represent them and their ideas, and the leaders support the citizens' interests.
Explanation:
The US Constitution divided power in three independent branches: the Legislative Branch, the Executive Branch, and the Judicial Branch. This separation applies to the federal government and also to the government of each of the States.
The main aim was to keep power balanced. The Constitution also established the 'Checks and Balances' system, through which each of the powers can check on the others and prevent that they exceed their functions. None of the three powers could gather such a large amount of power to rule over the others, without being punished.
The president under whom the federal budget had its first surplus in 30 years, in 1998 and then again in 1999, 2000 (the previous surplus was 1969) was Bill Clinton.