We travelled to Netherlands last year

1) c. Technology is a new frontier that entrepreneurs and inventors can explore.

2) a. to emphasize the historic nature of the tragedy that occurred

Explanation:

1) The speech "Address to Student at Moscow State University" was made by Ronald Reagan, then president of the United States, to the students of the Lomonosov Moscow State University on May 31, 1988. The central idea of the speech was to make Soviet students aware of a silent and bloodless revolution that was making changes in US society and how research, investigation and entrepreneurship encouraged such changes.

Hence, the answer is C.

2) Such line emphasized on the occurrence of a tragic events that could not be ignored to the point of not reporting on the state of the Union. Thus, the correct answer is A.