Answer:
D German submarines were sinking even neutral boats with no warning.
Explanation:
The accomplishment that is not mentioned on Jefferson's tombstone is that he was the third president of the United States of America.
Answer:
Federalism has evolved over the course of American history. ... Because the powers rarely overlapped, dual federalism is also known as 'layer cake' federalism. Dual federalism was used in this country for a long time. However, by the 1930s, 'layer cake' federalism began to morph into 'marble cake' federalism.