B. It's been proven that top officials knew there were no weapons or attempts to make them, and furthermore Saddam brutally suppressed Al-Qaeda as a threat to his power.
There are two many questions, and not spaced out its hard to read them.
Republic
Unitary state
Semi-presidential system
Constitutional republic
Answer:
The Cold War between the U.S. and Soviet Union originated from postwar disagreements, conflicting ideologies, and fears of expansionism. At both the Yalta Conference and Potsdam Conference, U.S. and Soviet leaders sharply disagreed over the future of the post-war world.

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The Cold War | Boundless US History
got it from ^
