The best strategy was the hit and run tactics. That's called guerilla warefare. When a group/team hides in a natural environment, using their own surroundings as an advantage.
Answer:
crossing a land bridge from Asia.
Explanation:
The theory of the population of America more successful and that was proven with archaeological remains, is that the Eurasian population crossed through the Bering Strait, which was formed thanks to the ocean freezing and crossing looking for a better climate, in the same way these population was first accentuated in north America and wanted to look for more tropical climates.
A. Discourage the spread of the National Bank
So that the really important cases can be addressed by good judges (at lack for better words) and maybe change a law (Rosa parks case). And lesser ones be taken care of fast.