In many cultures, sexual orientation has very strict rules or expectations to follow. People in strict cultures, who are against "homosexuals" and what not, will most likely stay straight because they want to feel accepted and not be judged or critisezed or in some cases even harmed because of their different sexual orientation. So basically their sexual orientation depends on the opinions of others in their culture.
Desertification has led to limited necessary goods like water and crop reduction. This resulted in the Arab Spring, an uprising in North Africa, particularly Tunisia, where the price of bread became too unaffordable.
Sharia law is a legal system based on Islamic holy scriptures. Its impact on middle eastern governments is huge because many aspects of this religious law are incorporated in the official state law. This seems odd to western countries because they are more secular than middle eastern countries.
B. Compromise of 1877
D. Homestead Act
D. Radical Republicans