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.
Answer: Spanish crown in its American possessions and thus energize the empire.
Explanation:
Bioenergy - renewable energy produced by living organisms such as plants.
The primary renewable energy sources in South America are 16% bioenergy, 8% hydropower and 1% each for geothermal, solar and wind power.
