In the late 1800s, faced the greatest challenge remaining unified because of the large
variety of ethnic groups within its borders.

the   square   deal   was   a   program   where   the   government gave any one   a fair   chance   to succeed

roosevelt essentially took the opposite approach as hoover in taking on the great depression. herbert hoover thought that america and its economy could naturally recover from the depression in due course, so he adamantly restrained the federal government from intervening on behalf of the people affected. on the other hand, roosevelt dramatically increased employment by expanding the federal government and establishing agencies that would aid in relieving some of the country's worst problems.

according to this text from the preamble to the declaration, who gives men their unalienable rights?