What are rules or prohibitions that are currently not laws, but you think should be? (Canada)

When should you question a sources credibility

Which answer best describes the main purpose of the monroe doctrine? a to establish fixed borders in the western territories b to keep europe from further colonizing the western hemisphere c to limit the ability of the free states to protect runaway slaves d to promote settlement of the louisiana purchase

Identify whether the following features belong to the early dynastic period or the old kingdom.