Some of the effects include different culture being introduced to the nation
Also it may teach some people to either be racist / prejudice or kind and accepting
The growing diversity can bring division and could also bring union depending on how current citizens act towards them
This is the answer from ed gen uity:
Each of these amendments establishes new laws that apply to the entire nation. Before each of these amendments were passed, states could make their own choices about establishing voting ages, extending the right to vote, and collecting personal income taxes. Because the supremacy clause states that the Constitution is the supreme law of the land, all states have to follow these amendments. State laws cannot contradict these federal laws.