Answer:
It sharply restricted the independence of Cuba's new government.
Explanation:
The Platt Amendment instituted several ways to intervene the island by the US forces, allowing for the establishment of US military bases and the lease of lands for this, as well as the right to intervene in case of political instability. It was an appendix to the Cuban constituton until 1934, and was officially eliminated in the new Cuban Constitution of 1940.