{% extends 'base.html' %} {% block title %}annotation{%endblock%} {% block title_num %}
Most important for our knowledge of these peoples , they created the only known written language in the Western Hemisphere ; researchers have made much progress in interpreting the inscriptions on their temples and pyramids . Though the area had no overarching political structure , trade over long distances helped diffuse culture . Weapons made of obsidian , jewelry crafted from jade , feathers woven into clothing and ornaments , and cacao beans that were whipped into a chocolate drink formed the basis of commerce . The mother of Mesoamerican cultures was the Olmec civilization . Flourishing along the hot Gulf Coast of Mexico from about 1200 to about 400 BCE , the Olmec produced a number of major works of art , architecture , pottery , and sculpture .
Please check all the words that can be used instead of the target word in the same context. Note that the morphology of the target (third person singular, past tense etc.) is considered to be applied to the candidate automatically in the process of paraphrasing.