7. How many South Vietnamese cities were attacked at the same time by
the Vietcong?

Question-  How many South Vietnamese cities were attacked at the same time by  the Vietcong?

Answer- 13 cities

Explanation- On the early morning of January 30, 1968, Viet Cong forces attacked 13 cities in central South Vietnam, just as many families began their observances of the lunar new year.

the correct answer option is: weapons.

explanation:

tensions rose as the two opposing superpowers competed for 'weapons'.

referring to the cold war (1945-1991), the two superpowers, usa and ussr, experienced a phase of struggle and conflict with each other. these two superpowers considered each other as a threat to their survival and thus opted for policies to strengthen their positions.

the two superpowers never went to war with each other directly but competed for weapons to preserve their positions.

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: