Original sentence: Black Hawk's British band was composed of about 500 warriors and 1,000 old men, women and children when they crossed the Mississippi on April 5
Edited sentence: Black Hawk led a group of Native Americans to the ceded region during the winters of both 1830 and 1831, which the Illinois governor declared an invasion.Black Hawk's British band was composed of about 500 warriors and 1,000 old men, women and children when they crossed the Mississippi on April 5,.Federal troops were brought in and armed conflict began when Black Hawk's band was ordered to withdraw but refused.However these leaders had not consulted the their full tribal councils and other leaders objected.The white population of the region grew rapidly after the War of 1812 and this led to increasing tensions with the Native American population.While Governor of Indiana Territory William Henry Harrison negotiated a treaty in 1804 with a group of Sauk and Fox leaders that ceded lands east of Mississippi River "forever"