Congress can check the branches. Congress makes sure that the power stays equal between each branch
The previous route was very dangerous and was also expensive to traverse. Early travelers encountered dangers such as war zones and diseases. They also had to cross deserts and mountains to get to their destination. Progress was made when a new route via the sea was discovered. This limited the perils that were once faced.
What do you mean? "<span>For communist who has the authority in the country"</span>