The plant produces a (great/large/huge) 'mass of' blossoms every spring. = The plant produces 'masses of' blossoms every spring.
The mayor is trying to encourage more commuters to use 'mass transit' in order to alleviate traffic in the city.
His policies are supported by 'the' (great/broad) 'mass of' the people. [=by most of the people]
(..) I love this song. It was fantastic! 'Member? - Oh, I 'member. - You 'member? 'Member? Complete panic and mass hysteria tonight as the city of Fort Collins has been hacked. Oh, my God. Oh, my God! They've done it. The Danish are taking (..)2016 TvShow: South Park Title: Fort Collins Season: 20 Episode 6