The salaries increased, sometimes drastically some times slowly. An average worker in the 1900 had a salary between 256$ and $439 per year, while in 1929 the average salary was between 752$ and 1164$ per year. This all stopped and became much much worse when the great depression hit in the thirties which left the economy devastated.
False. Building a church or cathedral takes as much time and effort as a house.
Answer:
Electricity and the light bulb. The electricity because thanks to the invention many people were able to communicate more and it was first used for so many other inventions on the way. The light bulb became VERY important and especially for everyday convenience since the invention around 1802..it is said that there's about 20 light bulb inventors (Thomas Edison was just credited). steam power and electricity as well.
D. The United States Constitution, it holds the basic laws of our nation, "land"
Your answer should be 1964 :)