What were some contributions of the Lewis and Clark expedition? Declared war with Tripoli over tribute increases on US ships.

Interacted and gained information from Native American groups.

Established permanent settlements for the Corps of Discovery.

Claimed Florida for the United States.

1.Nevertheless, the expedition contributed significant geographic and scientific knowledge of the West, aided the expansion of the fur trade, and strengthened U.S. claims to the Pacific. Clark's maps portraying the geography of the West, printed in 1810 and 1814, were the best available until the 1840s.Oct 22, 2020

established permanent settelments for the crops of discovery

the government closely monitored its finances to avoid another financial collapse.

mount st. helens in washington erupts, causing a massive avalanche and killing 57 people on this day in 1980. ash from the volcanic eruption fell as far away as minnesota. seismic activity at mount st. helens, which is 96 miles south of seattle, began on march 16.