A would be correct. The US employed “island hopping” or “leapfrogging” tactics as a way to quickly move across the Pacific toward Japan. A small landing force could decimate a Japanese stronghold and replace it with an American base from which another landing force would launch. It cut back on cost and time, since a fleet wouldn’t have to return to a base thousands of miles away to refuel and regroup any longer.
Answer: Portugal, 1933-1974; Czechoslovakia, 1948-1989; Brazil, 1937-1945; USSR, 1917-1989; Spain 1936-1975; China, 1949-...,
Explanation: totalitarian society: one state-party, one leader, no free elections, censorship, one ideology, judiciary power is not free, politically motivated imprisonments, etc etc.
No. even if the equipment is similar you have to have specific training and Welding you have to use specific equipment and it can be dangerous if you don't know the guidelines