Why was Slavery so widely accepted by Europeans?

Which people formed part of the middle class after the adoption of capitalism?

What initiatives were taken by americans to benefit the war effort? 1. americans planted home gardens to ration food for the troops. 2.american charities were established to provide aid to factory workers. 3.american companies joined together to make products more cheaply. 4.americans created clubs for promoting weapons to be used in the war.

When was wheeled traffic permitted in early rome? daytime nighttime all day never