Answer:
True
Explanation:
CALEA stands for Communications Assistance for Law Enforcement Act of 1994.CALEA was passed for allowing the law enforcement agencies to conduct surveillance of digital telephone networks, as per the law the telephone companies are obliged to help them tap the phone conversations of people over the companies phone networks. The agencies can also record the conversation. CALEA also stands for Commission on Accreditation for Law Enforcement Agencies.
Dr Jonas Salk developwd the vaccine to prevent polio.
One major difference was the fact that more countries got in on the expansion. Germany and Belgium are a great example of that. The two countries were not really a part of the early expansions whereas they were from 1750 to 1914.
