How can it be seen that Congress is more Powerful than Parliament?

-Congress is much more Independent from the Executive than Parliament is. This is because of the Separation of Powers in the USA. Parliament may not challenge the Government as such -Congress has 2 Powerful Chambers, and Parliament has one. The Lords are much more limited and Less Legit -USCON gives greater Powers to Congress to check the Executive. Ratifying Appointments and Treaties are for the Senate. In the UK, the PM