Simplify the following text for a Grade 12 native English-speaking person.
Original: During the 1970s , severe budget constraints challenged the university 's physical development ; but , in the 1980s , the university received increased grants for research in the social and physical sciences .
Simplified: During the 1970s , large budget limits made it hard on the university 's physical development ; however , the 1980s saw a surge in money given to research in the social and physical sciences .