The purpose of laws that followed the September 11 attacks were to keep the United States safe from terrorism and allow law enforcement to identify acts of terrorism before they happened.
During the first part of the 19th century, it was mainly "<span>C. the railroad and the telegraph" that</span> revolutionized transportation and communication, since these greatly increased efficiency and speed.
The music and musical instruments are used to express
national identity in Europe with the use of the styles that they used and
create in a way of representing their culture and their identity in means of
showing their identity throughout the world and one example of this is their
music.