The development of the railroads during the 1800s dramatically changed life in america in many ways. in which of the following ways did the railroads change life in america? they improved the environment by decreasing pollution. they divided parts of the country from each other. they opened new areas of the country to settlement. they eliminated jobs because they were so efficient

Which best explains why the allies employed the europe first strategy during world war ii? a. japan was a greater threat than germany to the allies. b. japan received military assistance from germany, so the allies needed to defeat germany first. c. the allies wanted to ensure that germany did not continue to conquer european territory. d. the allies needed japan’s vast stockpile of weapons to defeat germany.