For PLATO:
Maya: Created hieroglyphic writing system
Developed the accurate calendar systems
Constructed Chichen Itza
Aztec: Built Tenochtitlan
Sustained 20mil population
Grew floating gardens
Answer:
John Wilkes Booth was an actor who opposed Lincoln's policies.
The colonization that was performed by Japan and the European countries had multiple similarities. Both initially developed their industries and made them strong, and only after that started to colonize. The main reasons for the colonization of Africa by the Europeans and by Japan of Asia were to get lot of natural resources and raw materials, while also opening up new markets for their products. Both modernized their armies, made them strong, well trained, and large, so that they can easily conquer the desired territories. Another similarity was that both were very cruel toward the native population, killing, torturing, forcing them to work etc.
The war was fought because America was built upon slavery. During the Industrial Age, the northern economy no longer needed slavery. The south however was wasn’t ready nor was trying as hard to give up its dependency on slavery. The south economy would plummet and life for southerners would drastically make a down spiral if they couldn’t have access to expensive but efficient workers you never had to pay for.