because it had no power to tax or regulate trade
Hitler and Stalin both agreed to divide Poland between their countries. Both of the countries wanted Poland, so they agreed to split it. This also allowed the two countries to touching borders.
I hope this is what you are looking for.. Spain agreed to remove all soldiers from Cuba and recognize American occupation of the area; the U.S. had previously pledged not to annex the island in the Teller Amendment
Spain ceded Guam and Puerto Rico to the United States
The United States compensated Spain for its losses with a payment of $20 million.