Even if you write Brooklyn USA, there are 22 places called Brooklyn in the USA.
So now your search term is "Pizza in Brooklyn, NY, USA".
And now you want to search for the cost of a taxi... "Taxi prices in Brooklyn, NY, USA".
And now you want to know who won the baseball... "Who won the baseball, in USA". (Baseball means other things in other countries)
It's a staggering number of queries where the location changes the interpretation of what you're looking for, which changes the results.
Even if you write Brooklyn USA, there are 22 places called Brooklyn in the USA.
So now your search term is "Pizza in Brooklyn, NY, USA".
And now you want to search for the cost of a taxi... "Taxi prices in Brooklyn, NY, USA".
And now you want to know who won the baseball... "Who won the baseball, in USA". (Baseball means other things in other countries)
It's a staggering number of queries where the location changes the interpretation of what you're looking for, which changes the results.