Q: Iâm 24 years old female. I have a hard lump directly under my chin, not in my throat. I have had an itchy throat and have always has a lot of phlegm. I noticed the lump three days ago. My sister has had two benign tumors removed from her throat in the last 3 years. I donât know if this is important information but I thought it would be helpful.
In 1790, Samuel Slater built the first factory in America, based on the secrets of textile manufacturing he brought from England. He built a cotton-spinning mill in Pawtucket, Rhode Island, soon run by water-power.
The railroad was first developed in Great Britain. A man named George Stephenson successfully applied the steam technology of the day and created the world's first successful locomotive. The first engines used in the United States were purchased from the Stephenson Works in England.