What did the researchers learn during the training
phase of the experiment?

A. Teenagers were more focused on the money than
the adults.
B. Adults were better at the game than the
teenagers.
C. Neither group understood they would be earning
money.
D. Neither group noted that the color of the circle
determined its worth.

the correct answer is the first option "the bolkshevik revolution". the passage makes reference to many of important events that occured in the revolution, such as the assemblies, in this case the animals are gathered in an assembly after a protest, the murder of fellow partners, the speeches given by the leader of the revolution, among other aspects. the last choice is possible, but in this passage in particular it is not emphasized the fight between the characters, that is the two pigs, that represent lenin and stallin.

the development of trade during the middle age increased to the change given in the agriculture, which gave money, industry and markets a bigger importance in economy. the agriculture production was more than the consumption, which meant the creation of wider markets out of the areas. besides, with the end of multiple wars, the population increased and new trade routes were created.

the universe is complete credible source of our oxygen

i believe that the answer is true.