Which of these is not a problem facing the many African nations? borrowing billions and not being able to repay
growing too much food
disease and lack of good medicine
tribalism

(D) tribalism

Explanation:

Tribalism is a lifestyle in which the population was gathered into a lot of small groups of people rather than one big society.

Even though it's true that it's exist in Africa, they're not necessarily considered as a problem. It's true that some tribes might engaged in conflict from time to time. But these conflicts are not particularly unique to Africa. Even developed countries experience a couple of conflicts between different social group.

For Untied States , one example of this would be a recent conflict between a group called Antifa vs Proudboys

it should be c, women were allowed to vote in all states because federal law supersedes state law.

"states can make their own laws, as long as they don't contradict what the federal law states. the states do not have the authority to pass a law that negates a federal law." -google

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.