What are two main roles served my congress

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need more factual information than opinions.

Which of these best describes why georgia was important to united states during world war i? a)georgia made money by selling cotton and wood to europe.b)more soldiers came from georgia than from any other state.c)many white planters volunteered to serve in the war effort.d)the state had many federal installations and training camps

Which products do you think required scientific knowledge to develop?