Answer:
By acquiring the land in Carribean countries.
Step-by-step explanation:
Not long after their independence, many Corporations that established in Untied States started to came to Carribean countries and purchase a lot of lands from their government.
The land in Caribbean territories were significantly cheaper compared to those in US, so these corporations managed to take ownerships over a lot of Caribbean's territory. These corporations created a lot of companies that run in Agricultural sectors on this land (mostly for fruits products). As a result, US managed to control around 7% of Caribbean economy.