What was the purpose of the Hatch Act (1939)?

What was the purpose of the Hatch Act (1939)?
 
  a. to prohibit federal employees from engaging in partisan political activity
  b. to authorize greater discretion in bureaucratic decision making
  c. to limit congressional control of the federal bureaucracy
  d. to reform corruption

Question -2-

When the Democratic and Republican Parties become splintered, the influence of which of the following can be increased?
 
  a. the Supreme Court
  b. the president
  c. third-party candidates
 d. special-interest groups

Question -3-

Why did Franklin D. Roosevelt create hundreds of new government agencies?
 
  a. to support Congress in its oversight of the executive and judiciary branches
  b. to produce the necessary weapons and ammunition to defend the nation
  c. to reform the civil service system
 d. to create jobs and to regulate the economy and business practices

Question -4-

Executive privilege is often invoked in matters related to __________.
 
  a. national security
  b. private property rights
  c. interstate commerce
  d. federal contracting