Answer:
Correct answer is It addressed the need for government in the Northwest Territory and established precedents for future governing of the United States.
Explanation:
First option is not correct as this was not solved until the Lincoln's Proclamation of Emancipation.
Second option is not correct as according to it women didn't gain right to vote.
Third option is not correct as this wasn't resolved with the Ordinance.
Only the last option is correct as this is regarded as the most important accomplishment of the Ordinance.
Building through the Sierra Nevada Mountains was very difficult and dangerous. Temperatures were freezing during the winter and in one year alone there were 44 storms.There was the great danger of an avalanche for the men working through 18 feet of snow and camping on the tunnels beneath it. Creating tunnels through the mountains required blasting with nitroglycerin. Advancing at one foot of mountain at a time, a total of 11 tunnels was created.
The 26th amendment addressed concerns about age discrimination by saying that citizens who are eighteen years of age or greater shall not be refused or compressed by the government authorities whether federal or state on the statement of age. It restricts states from segregating among voters based on age, for people who are at least 18 years old.