The most accepted theory is a drought in northern Mesopotamia
The answer to the question above is option D: All of the above. Actually the nationalist agenda that happened during the nineteenth century was considered to be historical and has the most significant impact both politically and economically. Big business grew, and the transcontinental railroad was built. This also led to the United States doubling in size. Hope this helps.
The living conditions were awful, and the employer can make you work for fewer wages. The employer can as well make you work more hours.Women and children were working. Just because the factories were booming doesn't mean the living conditions were right.Everyone was living close together and more diseases developed.
B. because the work in one area and are specialized to do that work.