The decline or weakening of Mesoamerican civilizations can be attributed to two "natural" causes in addition to deliberate attacks by Spanish invaders. What were these two causes? 1. lack of agricultural skill and loss of fertile farmland
2. overpopulation and lack of domesticated animals
3. infectious diseases and drought
4. floods and an earthquake

i think it was   tsar alexander ii

which specific shipwreck are you talking about?

the correct answer is b) the american colonies were not supporting each other.

at the time abigail wrote her second letter to john adams on november 27, 1775 she begins the letter with a series of rhetorical questions such as: if a form of government is to be established here what one will be assumed? , will it be left to the assemblies to chose one? with this questions, she is asking her husband what new form of government will be established and she is concerned that the delegates may not be able to come to consensus.

also, abigail believes that the regulations of government have been "so long slackened" that people could ignore a new government; she recognizes difficulty to establishing a new state.