tbh it's been about a year since i studied this stuff in HS
so it is ether C or D but i think the best answer is D
A nonviolence anti-apartheid activists became Africa’s first black president, from 1994 to 1999
Reconstruction succeeded in its goals of restoring the Union and helping to "<span>d. repair the war-torn South" although many would agree that Reconstruction failed because discrimination still existed. </span>
To remedy the stability problem, Bohr<span> modified the </span>Rutherford model<span> by requiring that the electrons move in orbits of fixed size and energy. The energy of an electron depends on the size of the orbit and is lower for smaller orbits. Radiation can occur only when the electron jumps from one orbit to another.</span>
