<span>The coriolis effect does this. This is a inertial force that acts on objects that are in motion relative to a rotating reference frame. This means that when the earth rotates, objects in the north hemisphere is deflected to the right, while objects in the southern hemisphere are deflected to the left. This makes the winds shift left or right.</span>
20. is Memphis Tennessee
21. is Knoxville Tennessee
Iron rich minerals in rock pointed in one direction the switch to the exact opposite direction. I'd say that what supports this idea is that <span><u>Earth's magnetic field goes through pole reversals.</u></span>
I’m not sure exactly what you’re looking for, but the US spent $15m dollars and gained 54% of Mexico’s pre-1836 territory. There’s a nice article on Wikipedia called ‘Mexican Cession’ that seems helpful. Hope this is helpful :)
