He invented the first incandescent light bulb in 1879
The labor movement in the United States grew out of the need to protect the common interest of workers. For those in the industrial sector, organized labor unions fought for better wages, reasonable hours and safer working conditions. ... In the 19th century, trade unionism was mainly a movement of skilled workers.
The correct answer is - pull factors.
The increased freedom and much more employment opportunities in the United States can be considered as pull factors. They can be considered as pull factors because they are big reasons why people from all around the world got attracted to the idea of migrating to the United States, as they saw a nice chance to prosper and have a better life. Most of the countries were still struggling with the freedom issues, and the employment opportunities were either very limited, or badly payed, so no wonder that pople wanted to move in the United States.
When the Ottoman Turks took over Constantinople,trade was disrupted. This led European traders to seek a new way to trade with the Asian countries.Tea and spices were introduced and became essential to European diets.Fabrics such as silk and cotton also came from Asian traders.
