Question: There are GAO case studies in many areas-urban housing, weapon systems testing, community development, military procurement contracts, influences on the Brazilian export-import balances, how programs aimed at improving water quality are working, and the implementation of block grants-to name only a few.
GAO case studies cover many areas.

Answer: yes

Question: Thousands of low-income residents throughout the San Fernando Valley face exploitation in the workplace -- overtime without pay, long hours without breaks, earnings below the minimum wage.
Exploitation of low-income workers in the San Fernando Valley is rampant.

Answer: yes

Question: Also, Saddam is taking advantage of the current Arab backlash against the United States , sparked by the latter's failure to broker a peace settlement with Israel.
Saddam is taking advantage of the current Arab backlash against the United States because he wants to be invaded.

Answer:
it is not possible to tell