Similarities: the north Koreans and the Vietcong were communist, the Russians back both the north and south. Both are examples of the US following it's containment policy.
difference: Vietnam was dense jungle warfare.
Answer:
Starting within the 6th century BC with the Pythagoreans, the Antiquated Greeks started a precise ponder of science as a subject in its possess right with Greek science. Around 300 BC, Euclid presented the aphoristic strategy still utilized in science nowadays, comprising of definition, maxim, hypothesis, and verification
Explanation: