The St. Lawrence Seaway is important to the U. S. and Canadian economy. What advantage has the St. Lawrence Seaway had on trade? 1. reduction in the amount of pollution caused by U. S. and Canadian trading vessels

2. doubles the travel time of American goods shipped to Europe

3. creates a cheaper way to ship U. S. and Canadian products around the world

4. limits the amount of goods imported from China

Most galaxies in the universe are irregular-shaped galaxies. true or false ?

How is the city of savannah related to the union strategy of a full blockade of confederate ports? a) savannah was the last port needed to be secured in order to totally blockade the coast of georgia. b) savannah was the least significant city in georgia, and the union strategy centered on securing atlanta and capturing the tennessee river. c) savannah was the least significant city in georgia, and the union strategy centered on securing atlanta and capturing the chattahoochee river. d) savannah was the most significant port in georgia, and the union strategy centered on securing bases at savannah and the outlying islands to fully blockade georgia.

Can someone explain and give me two examples of checks and balances in usa government right three examples