I am not aware of any limitation.
three thousand dollars
When entering the US, you can bring any amount of money with you. However, if you are carrying more than 10,000 in cash or other monetary instruments, you must declare it to US Customs and Border Protection. Failure to do so can result in the money being seized.
About 7 million US a year
its safer in the us
Romania is a poor country. Life is hard there, you only get about $200 dollars a month.
to get better land
There are various reasons that Britain's citizens might immigrate to the US. For example, they might move there to marry an American they met on the internet.
About 200,000 Arabs migrated to the US
Metallic products account for approximately US$ 13.5 billion, or 4.5% of total exports.
You can legally bring up to $10,000 USD without any declaration to the US Customs anything extra is subject to declaration and possibly be taxed...
Ireland
they immigrated to the US and Canada