It's a because during the middle ages kingdoms conquer other nations by the numbers as soon as the child has education he (I say he because they didn't allow women to have education back then) he will enlist into one of the European nations and fight.
Answer:
Unlike earlier Greek theatres that were built into hillsides, the Colosseum is an entirely free-standing structure. It derives its basic exterior and interior architecture from that of two Roman theatres back to back. ... The remainder of the present-day exterior of the Colosseum is in fact the original interior wall.
World War II and independence. For five years during World War II, Indochina was a French-administered possession of Japan. ... When the Japanese surrendered in August 1945, the communist-led Viet Minh ordered a general uprising, and, with no one organized to oppose them, they were able to seize power in Hanoi.
ONE REASON: was that naepolation was getting old and sick , he was poisoned
TWO REASON : the army
