The tenth amendment <span>gives the states freedom and control. </span>
The sanctions<span> against </span>Iraq<span> were a financial and trade </span>embargo imposed <span>by the </span>United Nations<span> Security Council on Ba' Athist </span>Iraq<span>.
Initially the </span>UNSC imposed<span> economic </span>sanctions on Iraq<span> by enforcing </span>United Nations<span> Security Council Resolution 661.</span>
Unity was brought mainly by the decades-long process of setting up and expanding the European Union in the aftermath of WW 2; also the disappearance of the Iron Curtain in 1989 was a major factor in uniting Europe.
Major disruptive factors were of course the two World Wars, and before 1989, the existence of a Communist-dominated Eastern Europe versus Western Europe.