Answer:
c. along the coasts and river valleys of africa.
Cavalry (from the French cavalerie, cf. cheval 'horse') or horsemen are soldiers or warriors who fight mounted on horseback. Cavalry were historically the most mobile of the combat arms.
It is the truth, for that statement
Answer: D
Explanation: It's history, it just so happens.
Answer:
the central pacific railroad had to go through mountains which slowed them down.
