Answer:
Had trouble finding attackers in the dense jungles.
Explanation:
Often, the Viet Cong would use guerilla warfare against the americans, they also hid underground and made secret villages.
B, the invention of techniques for farming and animal herding
The National Consumer's League is an American organization that advocates for consumers on marketplace and workplace issues. As on of the things they do is to promote safer and secure workspace, I think they might have been protesting about factory's clean workplace.
“A calendar was needed in the first place to track seasons. ... The progression of seasons ensured that there were 12 months in a year. Since the lunar cycle is shorter than 30 days, an extra month was added once every few years to keep calendars in sync with the seasons.” Need more explanation? Can you please mark me Brainliest?
