How do we know the Olmecs were technologically advanced? They created the first version of a calendar. They invented tools using stones and metal. They used latex from trees to create rubber. They were the first to use a writing system.

bless you your highness

the correct answer is b

during the pueblo revolt, father de mora hid most of the gold in the mine and covered the entrance. he tried to take some of the gold with him, but had to leave it behind in order to escape.

answer is b.

  it is always the best policy to have good communication and good relations between individuals and, specially, between leaders of the countries. for this purpose, among others, there is a common place, the united nations, where the representants can present his and learn about the other country's policies.