Answer:Dorothy Vaughan, Mary Jackson, Katherine Johnson and Christine Darden, four African American women who participated in some of NASA's greatest successes.
Explanation:
In 2002, East Timor won independence from Indonesia. The correct option among all the options that are given in the question is the last option or option "d". It was on 20th of may in the year 2002, East Timor won its independence. I hope the answer helps you.
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.