Please help in one of this 2 (50 points)(ASAP)(NO LINKS)​

The Iran-Contra Affairs of the 1980s stemmed from the Reagan Administration's foreign policies toward two seemingly unrelated countries, Nicaragua and Iran.  The Administration believed that changes to these countries that occurred in the 1970s threatened U.S. national interests.

Explanation:

i think you may have asked this twice, but i answered one of the

the south did not want the federal laws to overrule the state laws.