Can someone please help me with this question​

Why would the saudi’s oil industry need a large investment in human capital

How did the completion of the transcontinental railroad change the lives of american citizens? a-it increased the wealth of all americans and enabled them to travel more. b-it made cross-country travel too expensive for ordinary americans. c-it decreased the safety of americans who moved to settle the plains. d-it shortened travel time between the east and west for all americans.

Match the person to the information contributed to luke's writings. 1. paul 2. luke 3. philip 4. eyewitnesses 5. james a. investigated everything about the life of christ b. provided firsthand descriptions of events c. may have provided text of stephen's address and the story of his martyrdom d. may have described the appointment of deacons, and the conversion of the ethiopian eunich and the samaritans e. may have provided the information about the day of pentacost