Who were the border ruffians from the mid-1800s?

a) proslavery settlers who came to kansas from the neighboring state of missouri

b) proslavery settlers who brought enslaved people to kansas from the south

c) antislavery settlers who came to kansas to work on the railroad

d) antislavery settlers who were sent to kansas from the northeast

A) proslavery settlers who came to Kansas from the neighbouring state of Missouri.

Border Ruffians were pro-slavery activist from Missouri (at the time, a slave state) that crossed the border into Kansas to force slavery there between 1854 and 1860.

The violence and attacks of the Ruffians are believed to have contributed to the beginning of the American Civil War. Although most of the Ruffians did not own slaves, they were motivated by patriotism and racism.

answer: this is because archeologists keep finding artefacts and ancient ruins dated more than 10000 to 15000 years, date around scientists said humans discovered language; which is at least mysterious as scientists always have said that is necessary to have a language to have architecture and some basic maths.

explanation: brainlest

the main objectives of the progressive movement were eliminating problems caused by industrialization, urbanization, immigration, and political corruption.