What complicated the task of predicting spanish america's future?

Starting from Bolivar's dream of the Great Colombia. He had a vision of all Spanish America together. That dream dissolved and Spanish America took different roads.

Nowaday we have so many different political streams or ideas in Latin America that is very difficult to predict a near future in short or long term.

the answer is: c. c.it limited the president’s power to start wars.

the war powers resolution of 1973 requires the president to notify the congress whenever the president wanted to order a military operation to other countries within 48 hours. if after being reviewed the congress disagree with the proposal, that the president will be banned from ordering the operation.