Answer:
I think that this was established for the expansion of transport and communication during the 19 century. Before the clocks were invented, the people just kept using the time from different instruments which help them observe the sun while it pass at noon.
Answer:
King Ferdinand and Queen Isabella of Spain sponsored Christopher Columbus' trip. They hoped that he would successfully find a way to bring gold and spices back to Europe from India and China, which would increase the wealth and status of Spain. While he didn't find that, he "discovered" the Americas, which allowed Spain to claim land and conquer it.
The largest fear was the position on the slave issue. The pro and anti slavery advocates feared that the addition of California to the Union could cause a senate majority on the other side. The territory was left without a formal government after a debate within the senate and failed the amendments about the addition of California.
The Hippocratic Oath came from Ancient Greeks.
The Oath was named after Hippocrates, a Greek physician of the Age of Pericles.
Hippocrates is referred to as the "Father of Western Medicine". He was credited for being the first person to believe that diseases were caused naturally, not because of superstition and gods. He separated the discipline of medicine from religion and established it as a profession.
The oath states that the doctors will devise and order for the sick the best diet, according to the doctor's judgement and means; and the doctor will take precaution that the sick will not suffer hurt or damage from the devise and order given by the doctor.