What had to happen in order for many Americans to start buying electric light bulbs? A).Americans had to overcome their fear of the light bulb. Or B).Electric power had to be made widely available. C).The automobile had to be invented. D).More Americans had to move from rural areas into large cities. Help me please

What new concept did the the american revolution introduce into the world

Which of the following are characteristics of effective government leaders? select all that apply : has accumulated enough wealth to operate the government : willingness to accept responsibility : keep a government strong and active : has be a successful in the entertainment field : act as a final point of authority

1)which is the following was characteristic of the british colonies but not the french or spanish religion a. presence of slavery b. religion conversion c. smuggling and piracy d. strict racial hierarchy 2)how did the columbia exchange affect europe? a diseases from the new world decimated the population of the european continent b new crops introduced to europe generated further interest in the new world c enslavement of american indians in europe changed cultural attitudes toward slavery d the items produced by american indians become objects of competition in europe