What amendments/laws were important in helping African Americans gain equality at the turn of the century (late 1800s to early 1900s)?

Which of the following brought about the final settlement of the official boundary lines of the state of texas? the peace treaty of the mexican-american war the 1845 act signed by the president that made texas a state the reincorporation of texas at the end of the civil war the compromise of 1850

Why did roosevelt support a europe first strategy even though it had been japan that had first attacked the us

How does the pyramid of giza include art, science, math, or a need for infrastructure?