Answer:
Both the Roman and Han economies were in large part based on agriculture. Sea trade was less expensive than land trade and the fact that Rome was more of a naval empire than the Han Dynasty meant that commerce played a greater role in the Roman economy.
There has been a debate about border control. Donald Trump wants to take action through buidling a wall along the border but the democrats do not want this. This creates a policy gridlock, where no policy is passed due to each party not wanting the other party to get its way.
