Answer:
How did U.S. policy in Vietnam change following the Tet Offensive? Policy makers thought the war unwinnable and began to negotiate for peace. The military relied less on ground troops and more on sustained airstrikes. ... The military focused on cutting off the enemy's overland supply routes.
Explanation:
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An abundance of natural resources including Salt and Gold minerals.
Apparently, all of the names on the map are Irish, so the map suggests that Irish immigrants may take over the United States by the 1900s.
You may well be right about people's fears that immigrants, lots of them from Ireland, would overrun the country. Look up when the potato famine was, though. The map may be from the early 1900s, but, if so, not about the potato famine in Ireland.
Answer:
New states may be admitted by the Congress into this union; but no new states shall be formed or erected within the jurisdiction of any other state; nor any state be formed by the junction of two or more states, or parts of states, without the consent of the legislatures of the states concerned as well
Explanation:
D-it was built inland to protect it from invaders sailing in from the Red Sea.