This landmark is what keeps water from reaching the Desert. Please help! I’ll mark you as brainliest

Speaker 1: now that we are independent, americans should create a government that mirrors the government of great britain. speaker 2: after experiencing a tyranny of great britain, americans know how important it is to limit the government's power. speaker 3: our victory in the revolutionary war prove that americans have wisdom to choose good leaders. speaker 4: as for former colonies, the american states are likely to thrive under a system of strong centralized government. which speaker would most likely support the government established by the articles of confederation? a. speaker 2 b. speaker 3 c. speaker 1 d. speaker 4

In what ways did the compromise of 1850 and the kansas-nebraska act of 1854 differ from the missouri compromise? both compromises used the established 36°30′ parallel to determine if territories would become free or slave states. both compromises used the mason-dixon line to determine if the territories would become free or slave states. both compromises let territories use popular sovereignty to determine if they would become free or slave states. both compromises only granted congress the power to determine if territories would become free or slave states.

Arecent challenge to the european union created by a member state is?