which statement best explains why the transcontinental railroad took several years to build?\ndigging…

which statement best explains why the transcontinental railroad took several years to build?\ndigging through the mountains was very difficult, and the long winters hampered workers ability to make progress.\nseveral civil war battles took place where the railroad was being built, so workers had to wait for the land to be clear and safe.\na divided congress continued fighting over funding for the railroad, leading to work stoppages every few months.\nchinese immigrants engaged in frequent clashes with rail workers, so work stopped while safety measures were adopted.

which statement best explains why the transcontinental railroad took several years to build?\ndigging through the mountains was very difficult, and the long winters hampered workers ability to make progress.\nseveral civil war battles took place where the railroad was being built, so workers had to wait for the land to be clear and safe.\na divided congress continued fighting over funding for the railroad, leading to work stoppages every few months.\nchinese immigrants engaged in frequent clashes with rail workers, so work stopped while safety measures were adopted.

Answer

Brief Explanations:

The construction of the trans - continental railroad faced geographical and climatic challenges. Digging through mountains was arduous and long winters hindered progress. Civil War battles were not in the main construction areas, Congress didn't have continuous funding - related work stoppages, and there were no frequent clashes between Chinese immigrants and rail workers causing long - term work halts.

Answer:

Digging through the mountains was very difficult, and the long winters hampered workers' ability to make progress.