What was a main purpose for organizing labor unions?

According to chesterton, what is the most important difference between st. thomas aquinas and the neoplatonists? aquinas followed aristotle and rejected plato. aquinas wanted to understand the true nature of human beings. aquinas believed that all knowledge was based on sensory experience. aquinas was more interested in the origin of evil than exploring inner experience.

    which of the following was anecological  result of european exploration from 1400 to 1800?   a.  increased trade with east asia      b.  the spread of epidemic diseases      c.  expansion of english territory      d.  the spread of christianity

Which of the following cultures were among the earliest known inhabitants of north america? a) mayab) incac) anasazi d) olmec