The statement that best explains why the transcontinental railrold took several years to build is digging through the mountains was very difficult, and the long winters hampered workers' ability to make progress. The foothills of Sierra Nevada, the winter snowtorms, shortage of reliable labor and increasing need for tunneling hampered the progress as they went higher in the mountains.
Answer:
Assimilation would be challenging because you already bring a culture with you and you'd might see no reason to celebrate America's culture when you already have your own culture that you celebrate and love.
Answer:
Math and Science
Explanation:
Science and mathematics are integral parts of engineering. Science teaches us about the laws of the natural world and mathematics helps us to establish relationships among different quantities. Both subjects are of paramount importance if you are planning to study engineering at the university level.
The Red Cross is the answer
