Which of the following is a true statement about the effects of terrorism on u. s. immigration?

a. u. s. immigration policy grew stricter in response to fear of terrorists within the domestic borders
b. u. s. immigration policy grew less strict as the public demanded safe haven for foreign relatives.
c. u. s. immigration policy grew less strict in response to the need to bring terrorists to justice in court.
d. u. s. immigration policy grew stricter as the public demanded a complete closure of all entry points.

A. U.S. immigration policy grew stricter in response to fear of terrorists within the domestic borders.

Explanation:

The famous terrorist attack of the World Trade Center on September 11, 2001 led to major and drastic changes in the policies of the American nation towards their approach on the issue of immigration. The government seemed to change its policies overnight.

There was an increased screening of non Americans, especially 'aliens' from Arab or Muslim countries/ descent. This immediate change in the approach of the immigration process, the stricter rules makes it difficult and harder for those seeking asylum even though the main aim was to prevent terrorist actions. Almost overnight, the restrictions changed, even leading to the stricter boarder rules in the domestic borders.

the answer is )multiethnic

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation: