The answer to the question is B
In the second half of the 19th century, humans used all of the following technological advances to modify and adapt to the physical environment except "the telephone," since although this technology was invented in 1876, it wasn't widely implemented for some time.
The correct answer should be<span> b.
Migration was high from Europe, and many people were concerned that
those sympathetic to Germany or its cause could be spies.
That's why they used to act to make it illegal to not support your government when it came to war efforts and international relations. They believed and feared that those who liked Germany would spread their support to other people and criticize inappropriately. </span>
Cotton became highly profitable and everyone who handled it from farmers to exporters made good profit this affect the southern states because the more the cotton the more the slavery
They felt the Constitution gave too much power to the federal government. its C-TyreseRichman
