Answer: The british mark 1
Explanation:
The first use of tanks on the battlefield was the use of British Mark I tanks at the Battle of Flers-Courcelette (part of the Battle of the Somme) on 15 September 1916, with mixed results. Many broke down, but nearly a third succeeded in breaking through.
Colonial era: british
WW1: American
WW2: British (America for the atom bomb... but thats just one weapon. and they massed produced everything else really)
after that: AMERICA!!
Cahokia was one of the largest and possibly the capital city of the people that are referred to as the Mound Builders. Cahokia's size and the large number of people that lived there led to the main issues. Bad droughts and poor harvests meant people couldn't eat.
In some instances, encouraging multicuturalism is an appropiate measurement to adopt in some nations, in some others it is not.
Multiculturalism is expected to help develop national bonds as well as common goals.
However, multiculturalism is usually about inmigrants who strive to impose their ways upon their new neighbors. Division is created when any specific group refuses to integrate by not speaking the commonly accepted language or becoming part of the general culture, for example when inmigrants not only refuse to accept the same religion and holidays but they demand their own to be recognized.
Such is the situation in modern Egypt, where multiculturalism has brought conflict between Copts (Christian) and Muslim Egyptians.
Conflicts between these two factions have even escalated to violence in the last 30 years due to these reasons.