Answer:
internal validity
Explanation:
because of the manipulation of the independent variable and control of extraneous variables
Functions of Marriage.
Marriage regulates sexual behavior. Marriage helps cultural groups to have a measure of control over population growth by providing proscribed rules about when it is appropriate to have children.
The ruthless Mongolian warrior born in 1162 was Genghis Khan who was known as Temujin at their birth time which means blacksmith.
<h3>Who was Genghis Khan?</h3>
Genghis Khan was a Mongolian warrior born around 1162 who conquered over a quarter of the world's population, making them one of the most powerful military forces in all of human history. No nation or empire appeared to be able to stand in their way.
His birth name was Temujin which symbolizes the meaning of blacksmith. He has honored with the name of Genghis khan in 1206. The reason behind giving the title "Khan" is it means leader.
He believes in the diversity of countries with different backgrounds. His conquered territory had freedom over religion and also an exemption in the tax at the places where worship is done.
He values people will skills and talents which is why he promoted his officers based on their talents without discrimination on a class or the background they belong to.
Learn more about Genghis Khan, here:
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