All of the names on the map are Irish, so the map suggests that Irish immigrants may take over the United States by the 1900s. Therefore It made them want to establish states of their own and the map differs from maps today because it has different names than now.
The answer for 1 is C and the answer for 2 is B
Produced the steam engines which then improved systems of transportation. For example, trains were essential, but relied on burning coal. The steam engine made it more efficient. For the textile industry, the sewing machine was introduced to production lines, helping the processing and usage of cotton to be more efficient.
I would say the 14th amendment because it gave equal rights and protections under the law.