Ditches were dug either side of the road to allow for drainage. Roman roads tended to be built higher than the level of earth around them – this, again, helped drainage. The bulk of the actual building was done by Roman soldiers. By doing this, the Romans could rely on the gained expertise of the soldiers.
Create new trade agreements
<em>i belive it is 46 million</em>
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be the "invasion of Europe", since this was the only way to truly defeat the Germans, who had occupied most of the land. </span></span>