The fleet improvements that they made were <span>Ticonderoga-class cruisers and Los Angeles-class submarine
</span> Ticonderoga-class cruisers is a guided missile cruiser that has increased capability with aegis combat system and Los Angeles-class submarine is a type of attack submarine that is powered by nuclear.
Answer:
Interstate Highways are maintained by the Federal Government, and more specifically, by the Federal Highway Administration, which is part of the Department of Transportation.
The funds for their maintenance mainly come from fuel taxes collected by the Federal government, and also by state and local goverments. A smaller percentage of these funds come tolls located in different parts of the highway.
As emperor, Napoleon made all of the following changes except "<span>Allowing noble émigrés to return to France" although there were definitely a few exceptions. </span>