ASAP Will choose brainliest!!! (for most accurate answer!) what is the main idea of the passage and choose 2 sentences that together best support the correct answer for part A



Answer:the answer is on part A is 1 and the anwser on part b is 3
Explanation:because trains change the united states
Answer:
Part A: 1
Part B: 1 and 5
Hope this helps! Please give brainlist!!