Industrial Revolution Inventions Crossword Puzzle

QUESTIONS LIST: richard fly: founded american economic associations, willhelm roentgen: discovered x-rays, telephone: allowed humans to communicate across wires, cotton gin: dramatically increased availability of cotton, airplane: revolutionized international contact and relations, passenger elevator: improved movement in buildings, sewing machine: first automatic sewing machine, social darwinism: applied theory of natural selection in society, general cleanliness: dramatically improved surgical survival rates, photograph: first photo took 8 hours, second one took 30 minutes and was permanent