Artykuł Dollar slides after US Fed plan

major currencies - główne waluty (np EUR, GBP, CHF)
The dollar has fallen against all major currencies after the US Federal Reserve announced a plan to buy $1.2tn (£843bn) of debt to boost its economy.

Great Depression - Wielka Kryzys z lat 1929 - 1933
The Fed said on Wednesday that it would buy long-term government debt and expand purchases of mortgage-related debt to help stimulate an economy in the midst of the worst economic crisis since the Great Depression.

apparent - pozorny, widoczny
"Why have this new spending spree at all?" she said. "The answer may be that the Fed - and the administration more generally - is concerned that the apparent improvement in credit conditions the past few months is a false dawn.

step up - zwiększać, wzmagać, podwyższać (stopniowo)
Japan said on Wednesday it would step up its purchases of government debt.