What were major accomplishments of the rashidun caliphate

Under Umar, the Rashidun forces decisively defeat the Eastern Roman Empire, ending their rule in Syria and claiming it for the Muslims. This, along with other key victories, brings great wealth to the caliphate.

Explanation:

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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.