Oof- I'm not too good at history.
I think it's the time before a country was ruled by another country.
So for example, Canada was colonized sometime in the 1500s(?) so the time before that would be pre colonial.
I don't really know.
The President in the executive branch can veto a law, but the legislative branch can override that veto with enough votes. The executive branch can declare Executive Orders, which are like proclamations that carry the force of law, but the judicial branch can declare those acts unconstitutional.
Explanation:
from after Reconstruction until the 1990s, the Democratic Party dominated Texas politics. In a reversal of alignments, since the late 1960s the Republican Party has grown more prominent. By the 1990s, it became the state's dominant political party and remains to this day.
The best mood to describe the world when the cold war has ended is optimistic.
Optimistic for a new future without war, to live free, make decisions and see the world.
I hope this answered the question you have given