Can someone Help please Who were the Olmecs and what were some things they did/created?The Olmecs had many important contributions. The Olmecs created one the first calendars. They also
have permanent settlements. Finally One of the most extraordinary achievements of the
Olmec was their monumental stone heads, believed to be portraits of their leaders.

Who were the Olmec? The Olmec were the first major civilization in Mexico. They lived in the tropical lowlands on the Gulf of Mexico in the present-day Mexican states of Veracruz and Tabasco. The name Olmec is a Nahuatl—the Aztec language—word; it means the rubber people.

They were the first Mesoamerican civilization, and laid many of the foundations for the civilizations that followed. Among other "firsts", the Olmec appeared to practice ritual bloodletting and played the Mesoamerican ballgame, hallmarks of nearly all subsequent Mesoamerican societies.

Explanation:

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.