When one region focuses on its needs instead of focusing on the needs of the whole nation? A
sectionalism
B.
secession
C.
Manifest Destiny
D.
regionalism

Answer is in the file below

is.gd/qKzpBU

Refer below.

Explanation:

The RMS Titanic was a British traveler liner that sank in the North Atlantic Ocean in the early morning of 15 April 1912, in the wake of slamming into a chunk of ice. In excess of 1,500 travelers passed on because of the boat sinking. After the boat sank, there were clashing reports about what truly occurred, with no one knowing for certain whether the boat had sunk at that point.