To combat us troops in vietnam, the viet cong
a. relied on superior firepower.
b. drafted infantry soldiers.
c .used guerrilla warfare tactics.
d. bombed us positions relentlessly.

The answer is option C

Explanation:

Strategies, in fighting, the workmanship and study of battling fights ashore, on ocean, and noticeable all around. It is worried about the way to deal with battle; the demeanor of troops and different identities; the utilization made of different arms, boats, or flying machine; and the execution of developments for assault or defense.In the military domain, strategies show the utilization of military in commitment, while methodology shows the utilization of commitment to accomplish the objectives of the war. The contrast among methodology and strategies is frequently portrayed as "procedure is long haul and strategies are here and now. Since the beginning, war has been seen as activity on three expansive levels: key, operational and strategic. Clausewitz recognized the three levels by relativity in time, space and mass.

no statements but ok.

the statement that best describes the idea of manifest destiny that was used in the 19th century would be that "it was fate that the united states would continue to  expand westward," since people thought the us was "destined" to do so.