Replace ran with sprinted
Early Americans wrote the Constitution and Bill of Rights because they needed to set up a new government and wanted to be sure it could not abuse their rights. Early American's at this time had just finished a huge war to get out from under one hierarchy. They thought that a democracy would best fit what they had fought for, freedom.
It is not a fragment. It is a complete sentence.
In Africa, there are many exciting animals. The tundra is a hub for hundreds of different animals; zebras run in herds across the grass, lions chasing after them. In Zimbabwe, the most well-known area is Lake Victoria. Here elephants gather to drink water, the liquid reflecting their faces and distorting them as the sun gleams off the surface. In nearby trees, bulbuls and finches chirp merrily while antelope graze nearby. The African tundra is home to an innumerable amount of unique species, making it one of the most beautiful places in the world.
(I emboldened all proper nouns for your convenience.)
Hope this helps!
