I know there was an assembly line and improvement of living conditions
<span>prosperous would best describe it </span>
C. United Nations. At the end of WW2, The US thought about world peace. So did other nations. So United Nations was formed. The headquaters is in New York.
Maya used place value and zero in mathematics.
The Maya civilization was a Mesoamerican civilization developed by the Maya peoples, and prominent for its logosyllabic script, the most sophisticated and highly developed writing system in pre-Columbian Americas, along with its art, architecture, mathematics, calendar, and astronomical system. The Maya civilization developed in an area that comprised southeastern Mexico, all of Guatemala and Belize, and the western portions of Honduras and El Salvador.
Christopher Columbus was instructed by the King, and Queen of Spain to travel to the new world in search of valuable natural resources. Columbus had his own inclinations to travel being that the idea that the world was spherical had not yet been a well accepted fact.
