The main reason the united states decided to build a canal across panama instead of nicaragua was that: the distance to deliver materials from the united states was shorter. the united states already had control of the land. the land in panama had more volcanoes. the land and building rights were less expensive.

The United States decided to build the canal in Panama because the land and building rights were less expensive . However, Nicaragua's territory was more suitable for building the canal, because the Pacific and the Atlantic Oceans sea levels are the same in both coasts of this country, but the high cost and building rights we so high that the United States chose Panama and designed an "escalator" system to let ships pass from one side to another.

to reform the distraught soviet union, the democratization of the communist party was promoted through party secretary mikhail gorbachev's policies of “perestroika” and “glasnost.” perestroika refers to the reconstruction of the political and economic system established by the communist party.