The correct answer to this open question is the following.
Although there are no options attached we can say the following.
Ghana is a friendly country that shares a border with a known US adversary. The strategy that would be appropriate for the US military to use during peacetime intelligence gathering would be the following.
Ghana is an African country friendly to the United States. It is located in the west part of Africa and has borders with the Ivory Coast, Togo, Burkina Faso, the Gulf of Guinea, and the Atlantic Ocean.
During peacetime, the United States strategy should be of prevention, maintaining proper surveillance, and always be alert.
The US military has to have constant intelligence strategies in the area, anticipatory intelligence, operations intelligence, and cybersecurity intelligence.
The US strategy has to contemplate permanent open lines of communication with the government of Ghana because cooperation is very important when talking about security.