What locations did the communist target during the tet offensive ?

South Vietnamese cities

Explanation:

The locations that the communists target during the tet offensive were "South Vietnamese cities."

During the Vietnam war in 1968, the communist soldiers of Northern Vietnam carried out a tet offensive in various South Vietnamese cities. This was a guerrilla attack that was carried out by about 84,000 combatants under the command of Chi Fu Lua and HoChi Minh on February 1st1968. The troops raided 36 of the 44 provincial capitals, 5 out of 6 autonomous cities, and 64 out of the 242 district capitals in South Vietnamese cities.

the answer is b: an economic crisis throughout the country.