Answer:
I think that it's Allerion.
Explanation:
Speaker of the House of Representatives, if something happens to them then President pro tempore of the Senate, if something happens to them then the Secretary of State.
Countries trapped behind a large impenetrable wall
Answer:
negotiators were brought to the White House until an agreement regarding the railroad strike was met
I hope this helps!
Explanation:
<span>A- Mutually Assured Destruction
It was the idea that if either shot off a weapon, then the other would and so on until everyone was destroyed.</span>
