 They're more of a restraining influence, and partly because of the impact on fertility, that you educate a boy and he will have fewer children. But it's a somewhat small effect. You educate a girl and it has a dramatic effect on the number of children she will have. And when you have fewer children, you have less of an age population that is skewed young. And young populations tend to be more militaristic, more likely to have rebellions. And