Agroup of 300 spartans held back xerxes army for three days in which battle a person battle b battle of thermopylae see battle of marathon or d battle of xerces

the section of the chart that represents a point at which a bill needs approval from a majority of people in both chambers to advance is j, as this is the only section before the bill becomes law which has both rows (symbolizing the chambers) converging into one, meaning that the two parts of the congress have to approve of it before it can march on with the process.

protected civil liberties and outlawed slavery in the new territories.