What is the complete subject of this sentence? The sun is at the center of our solar system?

The complete subject contains the main noun in the sentence; the predicate contains the verb, or action, in the sentence

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.

a big main expressed powr of the congress is to

borrow money

congress borrows money all the time this is a rpime factor to pay for things that the americans need for example they give money ot the banks they give money to the milltary they borrow money so they can give it back to the people who need it such as the buisnessses and the army