There are many problems in the world, but one of the world’s problems that affect over millions of people is homophobia. Homophobia is problem that affects adults through teens and makes many people depressed, commit suicide, and in general feel bad about themselves. There are many problems but the ones that show the real problem are that many famous people hate LGBTs, the fact there is a need for people to hide who they are, and it has been illegal to actually marry to a person of the same gender but not other family members in the past(tradition/culture).
In Mississippi the governor has made it so that businesses can deny service to gays if it went against their religion, or moral beliefs.
in ancient Egypt the Pharaohs might have been married to their siblings as it was a custom to keep the blood or the royals pure.