They literally CAN, i'm nearly 18 and people still think I'm 14/13.

Stop. Western counties where women have greater freedom, have stable populations while inhabitants in countries where women are still subjugated keeping on growing at a alarming rate. Because while there are countries where women do not have control over their own bodies, the population of these countries will continue to grow.
It always has been assumed that men have been the dominant sex, so all images we have of the Stone-Age is of man being the dominant and brutal hunter while women have been the submissive and brutalised slave. I have a child though, so there's proof I've had sex at least once in my life.

So they couldn’t refuse sex from their husbands and were forced to have large numbers of children. Some academics claim that human being have only discovered this in the last few thousand years in civilised times.