I’m pretty sure explanation or claim but I think Explanation
Arabic numerals were brought to Europe around 1500, when they sparked scientific and mathematical innovation almost immediately.
Answer:
Although Congress had prohibited aid to the Nicaraguan contras, individuals in Reagan's administration continued to illegally support the rebels. These officials secretly sold weapons to Iran in exchange for the release of American hostages being held in the Middle East.
Answer:
Yes, they were
Explanation:
Triangle Shirtwaist Factory made the news after a fire incident that resulted in 145 workers death. After investigations, it's found that the fire actually caused by the owner's neglect to provide safety measurements in the workplace.
This event occurred in 1911. At that time, the government hasn't passed the laws needed to force the employers to follow a strict regulation to maintain workplace's safety. Maintain this regulation tend to cost the company a lot of money. This is why The majority of factories in that time did not follow a safety standard.
During World War 1 and World War 2, many war crimes were committed. War crimes are now considered crimes against humanity. Since during the 2 greatest wars the world has encountered, there were no clear rules and punishments that were set. Those crimes were considered necessary to win the war. This prompted the establishment of the International Criminal Court wherein they were tasked to bring war criminals to trial. With the cooperation of nations involved in the War, they set up regulations and punishments. Today, war crimes are punishable by death or imprisonment. Any of which to be granted must undergo trial.