How were the ancient Egyptians' advancements in the fields of astronomy and mathematics helpful to farmers.

lincoln presided over the union victory in the american civil war, which dominated his presidency. a former whig, lincoln ran on a political platform opposed to the expansion of slavery in the territories. his election served as the immediate impetus for the outbreak of the american civil war.

this scroll was the first major biblical manuscript of great antiquity ever to be recovered. the qumran isaiah scroll predated the oldest hebrew text preserved in the masoretic hebrew bible by a millennium.