Mark brainliest please
By 1890 new railroads had helped cattle ranching spread to most parts of the West. Long cattle drives were replaced by shorter drives on local trails. built in the growing East, while railroads were built in the West for the first time. Trail to move cattle to new range in Montana
For more reference
http://schools.misd.org/upload/page/0635/TotC%20Atlas%20Pages.pdf
Answer:
Scientific awareness of the Ebola virus has existed for decades, but there have been relatively few efforts by the pharmaceutical industry — in the United States and elsewhere — to pursue vaccines or other treatments against the disease.
Drugmakers didn’t see a lucrative, or even financially viable, market for Ebola therapies. Past outbreaks of the disease infected and killed small numbers of people. And those patients largely lived in developing countries — not exactly the desired demographic for pharmaceutical .
Explanation:
Washington
Adams
Jefferson
Madison
Monroe