Six:
1. Upper Mississippi
2. Arkanas River
3. Illinois River
4. Missouri River
5. Ohio River.
6. Red River
This is true, Columbus came to the new world in 1492, and from then on, more people migrated to the new world.
<span>When you are operating a boat 28 feet long on federal waters, you must have an oil placard and garbage disposal placard on display.
Oil placard must be at-least 5 x 8 inches in size, and garbage disposal placard or save our seas placard must be at-least 4 x 9 inches in size. These cards must displayed in a prominent location.</span>
Different perceptions of a region can make that region less defined is true im not a 100% sure tho
