You need to send the story or something, I don’t know who these characters are.
The most striking similarity between these two explorers was their ruthless nature towards the natives they encountered on their various journeys. Both men wanted to extract as many resources as possible from the conquered peoples.
Answer:
I believe this is called Broiling.
Americans were unfamiliar with the territories of Vietnam and ended up having to search manually, house by house, allowing the Viet Cong to dig escape tunnels and snipe American soldiers.