What are at least two ways in ancient Egyptian sciences impacted our calendar today

The viceroy of spain asked that coronado's expadition be cristian and apostolic and not a buchery,what does that mean and did cornado follow his orders

John locke viewed the social contract as a choice or "consent of the governed", where the people possess the power to change government. how did thomas hobbes see the social contract? man is born in chains, but can be set free through good deeds. man is born happy, but becomes more miserable as he ages. man is born poor, but can rely on other individuals for security. man is born selfish, but can give up some freedom in return for security provided by the government.

What were two theories put forth by marx?