Please help me question 9a and 9b and 9c

Read these sentences. when the fever seemed to be near an end, the city of philadelphia became active once again. shops opening and people coming out of their homes, ships began to sail on the river. which transition phrase best connects the ideas? by the same token on the contrary in addition to in this case

What is one way that the author makes a distinction between the first transcontinental railroad and the first transcontinental passenger flights in 1936

The empire state building was constructed by one hundred workers