In 1956, uprisings behind the iron curtain occurred in

  Poland and Hungary

Explanation:

  The Iron Curtain was the physical boundary that divided Europe into two separate areas. From the end of World War II until 1991.

  In 1956 the Hungarian Uprising was a nationwide revolution against the Hungarian People´s Republic and the Soviet-imposed policies. It was the first major threat to the Soviet Union since World War II.

  In Poland, also in 1956, there were a series of protests against the communist government of the Polish People´s Republic. It began with workers demanding better working conditions and were met with violent repression.

  I hope this answer helps you.

lo siento mi soy stupido. history es dificil ci?

executive, (president and about 5,000,000 workers) legislative (senate and house of representatives) and judicial (supreme court and lower courts)

explanation: