In the year 1803, the United States of America purchased the approximately 828 million square miles of territory from France, doubling its territory. Because of Thomas Jefferson's purchase of the Louisiana territory, 15 states were added in the territory of America. It stretched from the Canadian border in the north to the Gulf of Mexico in the south and from the Rocky Mountains in the west to the Mississippi River in the East.
The answer to your question is D
Road and canals were built to help them
Julius<span> and </span>Ethel Rosenberg were<span> United States citizens who spied for the Soviet Union and </span>were<span> tried, convicted, and executed for conspiracy to commit espionage.</span>
Both.
A variety of Federal programs, including the Clean Water Act, have delegated authority built in which means that the States enact the Federal programs.
So, both is the correct answer.