By the 1840s, Manifest Destiny had become a political and cultural mantra advocating for US control from the Atlantic to the Pacific Ocean. This ideology was used to justify key events ...

– In 1846, the target was continental expansion, not clear how far downwards and upwards, but essentially contiguous ...

In 1800s America, Manifest Destiny dominated all thoughts of Western ... Sheer numbers made the Trail important. Between 1840 ...