Diplomacy is the art and practice of conducting negotiations between representatives of states.
An ambassador is an official envoy and a<em> high-ranking diplomat</em> who represents a state in a foreign capital. An ambassador has the highest diplomatic rank.
The foreign policy of diplomacy involves negotiating treaties with other countries, attending state dinners, arranging visas for travelers and representing the interests and policies of the diplomats' home country abroad.
Career is related to occupations, but it differs from them due to its progression – a job can be called a career when the individual in the work field has progressed from an entry-level position to positions requiring higher amount of skills and knowledge
Here's a reason why: Africans were strangers to the Americans. Because the Africans were poor, they didn't have any allies to watch out for them or to protect them.