What do baghdad, constantinople, cordoba, and rome have to do with the islamic golden age?

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.

Kennedy singles out one group of countries that the united states will defend against any attacker what countries are they

Match each form of japanese art with its description