According to historian christopher brown, why did europeans choose to base slavery on (color) race ?

What was petrarch’s motive for writing in italian rather than latin?

Group formed to protect artisans and increase their profits

Which of these actions were taken by the us government to get ready for war? check all that apply. using a draft to build armed forces planting victory gardens for food and to boost morale promoting conservation of key products trying to get people to buy liberty bonds taking new jobs to meet demands promoting patriotism