Answer:B And D
Explanation:
I did the thing and both were right
D the south needed slaves to keep there economy competitive with other countries goods. They needed the slaves to keep the price down so they could sell more and make it cheaper than any other nation allowing it to grow and compete.
Answer:
to draw attention to the dangers of child labor, to show how young factory workers could be, to get Congress to ban child labor.
Explanation:
Those are the correct answers.
Actually no one holds the patents award in 1950s automatic video scanning and inspection methods , because in 2005, the United States Court of Appeals for the Federal Circuit has sided with a federal judge in Nevada that concluding barcode scanning patents claimed by the estate of late inventor named Jerome Lemelson and held by Lemelson Medical, Education and Research Foundation LP in January 2004 were absolutely invalid and unenforceable.