Cars enabled people to travel and relocate more readily
One of the main reasons for the civil war was the differences with slaves about whether it was illegal or legal to have slaves. This could have been avoided if there was agreement on how slaves should be treated.
Answer:
expanded
Explanation:
With the increase of the population and the expansion of the cities also the needs of new national programs that provided also have grown. The growth of this need has expanded the power of the executive department to carry out national programs. This program aims to bring improvements to the population, to help other countries, among other objectives.
Grace period seems correct
