The river flowed one way while the wind blew the other way which made sailing easier. If you wanted to go upstream you lowered the sails. If you wanted to go downstream you raised the sails
Reggin land, Reggin world, Reggin Sahara.
Rotation.
Crop rotation is when a farmer changes the crops grown in the same field each year to ensure he gets the best harvest possible by not exhausting the soil of specific nutrients by repeatedly growing the same thing.
The political boundaries of the U.S changed from 1845 to 1853 by increasing the territory and getting land as far out as California because the Americans fought the Mexican American war (1846-1848) that resulted in Mexico yielding the area we know as the Mexican cession have a nice day (:
