What right did the u. s. retain when it gave the panama canal away

Which of these were true of the sandinistas? select three options.they were led by daniel ortega.- they created the somoza dictatorship,they received aid from the ussr.they received aid from the u.s.they supported revolutions in el salvador.

How did europeans and the introduction of european goods and ideas change native life ?

Who was at the top of the feudal system hierarchy