It would be the 2nd, it was an area between 2 trenches, and the distance between 2 of them was about 250 yards.
The answer would be : Margaret Thatcher
United States and the Great Britain are the two major power in the world for the liberalism system. In a conference Reagan directly stated that "Defeating the Soviet Union was a team effort, and Margaret Thatcher was a key player"<span />
the gas used in welding is shielding gas