German Scientist named William Roentgen.
Roentgen discovered X-Rays while researching at the University of Wurzburg in 1895. Roentgen noticed rays emanating from black paper and theorized as to what they were.
Answer:
Declaring that the Old World and New World had different systems and must remain distinct spheres, Monroe made four basic points: (1) the United States would not interfere in the internal affairs of or the wars between European powers; (2) the United States recognized and would not interfere with existing colonies and
Sometimes an unfavorable result can cause violence in sports events, like when fan or viewers watch their favorite team play, they become easily aroused when their team loses a match. When they want only their team to win, they pass some bad remarks on other team fans that both started a fight between the two.
Another one is referee decision. Watchers become frustrated when the referee or the umpire make the very wrong decision.SO, they pass some bad words to the referee that can start a grudge between the players on the field, then starts violence with the teams players.