The correct answer is B; Chinese immigrants played a significant role in the construction of the Central Pacific track of the Transcontinental Railroad, while Irish immigrants played a significant role in the construction of the Union Pacific track.
Further Explanation:
It was the Chinese who made the most significant roles in the construction of the Central Pacific track for the Transcontinental Railroad. The company began with Irish and white workers but they had severe shortages when the white men just did not show up to work. They then began recruiting immigrants and specifically hired 26 Chinese in the beginning. They worked so well that they hired more until over 90% of the workers were Chinese immigrants. They made approximately 26-30$ per month. They began a strike that lasted for 8 days for more pay and food, but the strike ended without the workers getting any extra money or food.
The Irish immigrants actually started out with the Central pacific track but there were issues and they left it for the Union Pacific. Labor was in short supply when the company started on the Union Pacific track and men went there for work. They had issues with sanitation in the camps and had issues with water borne illnesses. They did pay more to the Irish immigrants than to the Chinese immigrants which led to distrust.
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‘Rationing supplies’ and ‘planting gardens’.
Food rationing and Victory Gardens were big parts of the war to help the boys in service.
I believe that the dwellings are from the Cliff Palace located in the Mesa Verde National Park near Colorado. Is the biggest cliff settlement in North America and was builded by the ancient tribe Anasazi.
The tribe occupied the territories that today belong to Colorado, Utah, Arizona and New Mexico. Several monumental archaeolgical remains had been discover during the years, in fact two of them have been clasified by the UNESCO as world heritage. One of them is the Cliff Palace we see in the photo. The archaeological rest found show that they had a highly knowledge in respect of ceramics, tissue and irrigation, they also watched the moving of the sun and draw pictures that have not been figure it out still.
Talking about the Cliff Palace itself the construction and remoledation was continuous between 1190 and 1260 A.D. althought the majority of the sections was finished in a 20 years lapse. By the year 1300 A.D. it was abandoned but the causes are not yey known. Some archaeologists think that they a large drought interrupt the supply of food.
The dwellings were built primarily with sand, adobe and wooden beams. They modelated the sandstone with harder rocks and they united everything with a mortar of soil, water and ashes. The doors are short and many people ask about it but the answer is that during that time the average height was less than 5.6 ft for men and 5.1 ft for women.
Arround 100 people lived in there but it is think that it was a ceremonial and administrative center for the Anasazi tribe. I hope this answer have help you.