Will rate five hell plzz

how does creating increased competition, such as free-trade zone's, impact supply and demand?
a. the price of goods goes up due to an increase in supply.
b. the price of goods goes up to the decrease in demand.
c. the price of goods goes down due to an increase in demand.
d. the price of good it's goes down due to an increase in supply.

The platt amendment of 1901 forbade cuba from entering into any treaties that would allow undue foreign involvement in cuban affairs. this law was passed after the spanish-american war to make sure that european nations weren’t going to get involved with cuba. 1, why might the platt amendment be considered ironic? 2, what reasons would the united states have for not wanting european influence in cuba?