Answer:
Apartheid. Upon taking power after the 1948 general election, the NP began to implement a program of apartheid – the legal system of political, economic and social separation of the races intended to maintain and extend political and economic control of South Africa by the White minority.
Explanation:
The redeemers were the southern wing of the Bourbon Democrats, the conservative, pro-business faction in the Democratic Party, who pursued a policy of Redemption, seeking to oust the Radical Republicans a coalition of freedom, "carpetbaggers", and "scalawags" (poorer non-slaving whites).
Hey there!
When Columbia re-entered the Earth, the hot gases in the atmosphere (atmospheric gases), they destroyed the wings and it ultimately was destroyed. That technically means that the spacecraft wasn't shielded correctly, and led to a tragedy as well as major rethinking and reform for NASA.
That's why today, you see that all spacecraft are carefully tested and monitored before put into orbit.
Hope this helps!