Three reasons
1- It is easier to transport
2- Get to your destination faster
3- Little chance of getting hurt
A. is a duty of congress. They can say a law is unconstitutional based in their views on the law but they cant declare one unconstitutional. But the President can declare a law unconstitutional and change it.
Answer: the government determines which goods and services get produced and how much is available at any given time.
Explanation: When the government controls supply and demand, it also controls prices.
The role of a citizen in Mexico is the changing of political parties.
Hope this helps!