Which invention of the Tang and Song Dynasty was the most important?

Which of the following is true about general stonewall jackson? answers: a. he was one of the generals in the confederate army b. he led troops for the union c. his behaviors show great respect d. he marched through frederick, maryland

True exact date for the withdrawal of american combat troops in iraq was set for august 31st 1. 2011 2. 2010 3. 2012

This is a picture of workers in a factory. why was this picture most likely taken? to advertise that kids could get jobs to expose the horrors of child labor to show pride in children at work to show that night workers were needed o