Explain to need of symbols in preparing maps?​

The civilian conservation corps (ccc), an agency established during the great depression as part of the new deal, created jobs for people who were unemployed. what kind of work did people do as part of the ccc? a. built libraries and hospitals b. maintained state and national forests c. photographed migrants and the homeless d. constructed roads and bridges

Some european explorers sailed west looking for the passage to india

What words in the preamble to the constitution reflect the principle of popular sovereignty