By each of those colonies working together to secede from the British Empire.
i would say A.)Immigrants helped fill jobs during a period when the nation experienced a shortage of workers.
hope this helps:)sorry if it doesnt
Feudalism is the political system being described?
Answer:
the most important skill is that you will need to know about your past for future things. this skill would help if you were a tourist or working in a history museum. i did the best i can hope this helps
Explanation:
It was : B-refining oil Back then, standard oil managed to gain monopoly within the oil industry by buying all of the existing rival refineries and united it under the standard oil brand. This allow them to dominate the whole oil product that distributed in united states