They came from eastern and southern europe
I'm pretty sure the answer is Shay's Rebellion. Good luck! <span />
Answer:
A combination of training, tactics, discipline, intelligence and constantly adapting new tactics gave the Mongol army its savage edge against the slower, heavier armies of the times. The Mongols lost very few battles, and they usually returned to fight again another day, winning the second time around.
Found this on google, sorry if this isn't what you wanted. Have a great day/night and stay safe.
Answer:
take notes on important details
<span>Started with extreme militarization. Once, they started adopting the life of western civilizations and embracing it they very quickly became a leading country in the world.</span>