Answer:
China conquered the Mongolian State in 1919.
Hitler killed 60-85 million people , while Stalin killed 10-20 million people.
<span>The Barbary Pirates Wars is the answer </span>
I believe D I have read about them but I don't quite remember
Before the panama canal people from East coast of America who wanted to go to Asia had to either sail around south America which took months or sail towards Asia and go around Africa which took even longer. The panama canal was a short cut right in the middle of central America which cut navigation time in half. Hope I helped. :)