1) States have powers and their own governments yet come together under one federal power to form the United States of America.
2) Checks and balances- the executive checks the legislative, the legislative the judicial, etc. For example, the president can veto Congressional legislation, and the Supreme Court can declare laws and presidential actions unconstitutional. In the same way, Congress can impeach a president.
3) Amendments! There are currently 27. The first 10 are known as the bill of rights.
This type of Government is known as a federal government.
The legislative branch is made up of the two houses of Congress—the Senate and the House of Representatives. The most important duty of the legislative branch is to make laws. Laws are written, discussed and voted on in Congress. There are 100 senators in the Senate, two from each state.
Earth is the main place that we know for sure that specific organism exist.
Numerous cases have been made by spectators who thought they saw proof of life on Mars, however we now know they were deceived by the exceptionally troublesome estimations.
Looking from Earth, even with our most capable instruments, we just can't see sufficient evidence on Mars to answer this inquiry.
Scientists are still on their mission!
Major threats to pioneer life and limb came from accidents, exhaustion, and disease. Crossing rivers were probably the most dangerous thing pioneers did. Swollen rivers could tip over and drown both people and oxen. Such accidents could cause the loss of life and most or all of valuable supplies.