Yes, it is true that linguists do not know for certain how language was developed by early humans, but they're able to determine that it started somewhere in Africa, due to human migration patterns.
When the English colonists settled down. they didn't want to be ruled by Britain anymore and wanted to create a "representative government".
It is important because in 1836, during the Texas Revolution, somewhere around 200 rebels including Davy Crockett and James Bowie held out against 1,800 Mexican Soldiers under the command of Santa Anna, the Mexican dictator at the time, for thirteen days.