If the President and Vice President can no longer do their job, according to the 25th amendment, who would be the acting president? How would this decision be made?

Srry but can you translate to english?

The smoot-hawley act is the tariff act of 1930. it increased 900 import tariffs by an average of 40% to 48%. most economists blame it for worsening the great depression. it also contributed to the start of world war ii.