Answer: show the chart that will help alot
Explanation:
Answer:
pigeons were used as carriers of messages during the late 19th century.
so that is why pigeons are successful
It reflects the principle of "Checks and Balances". Checks and balances is when the 3 branches get to check on each other to make sure that no branch is abusing their power. The judicial branch can declare a law unconstitutional, and can impeach the president if necessary. The executive branch elects the judges for the Supreme Court, and can veto a law. The legislative branch can override a veto
Answer:
The Mexican-American War is an example of an invasion that took place that changed national boundaries.