A. unemployment
b. overpopulation
c .lack of education
d. diseases
The long form is: United Nations Interim Force in Lebanon
The correct answer is letter A. A tribute empire is mostly a self-ruled type of government. Various ancient states or countries used this form of leadership to assure their colonies protection and security in return for tributes that they offer. This is a sign of submission and allegiance to prevent war from happening in several countries.
It required that all escaped slaves, upon capture, be returned to the slaver and that officials and citizens of free states had to cooperate. Abolitionists nicknamed it the "Bloodhound Bill", after the dogs that were used to track down fugitives from slavery.
