Slavery was against Mexican law, but Americans brought slaves to Texas. Many American settlers and Tejanos, or Mexicans who lived in Texas, wanted to break away from Mexico. ... After this, Texans declared independence and formed the Republic of Texas. Sam Houston led their army in a surprise attack at San Jacinto.
A bit more info: Cold War tensions between the U.S. and the Soviet Union from 1967 to 1979. The era was a time of increased trade and cooperation with the Soviet Union and the signing of the Strategic Arms Limitation Talks (SALT) treaties
I beleieve it means that this man is king and he is the only one that should hold power and has power to veto and control things like the constitution.