The phrase "to support the dollar" means taking actions or implementing policies to keep the value of the dollar strong and prevent it from falling in comparison to other currencies. Full definition
As well, the dollar is currently strong, further tightening financial conditions — and it could make them even tighter if fundamentals don't support the dollar rally. (blackrockblog.com)
This is a really important component because it defines for the long term how the parents will assess, collect and spend child support dollars. (thespruce.com)
The U.S. Treasury has in recent weeks made a strong effort to support the dollar in international currency markets. (wnd.com)