What conclusions did Lewis and Clark come to about the Louisiana Territory following their trip?

Lewis knew that exploring the Louisiana Territory would be no small task and began preparations immediately. He studied medicine, botany, astronomy and zoology and scrutinized existing maps and journals of the region. He also asked his friend Clark to co-command the expedition

Explanation:

first second and third

explanation:

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.