•which technological advancement increase westward expansion?

The music of the baroque period is the first to be among the musical pieces that people today are generally familiar with

Why was russia drawn into a conflict with germany after ausria-hungary declared war on serbia ?

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.