What group of people spearheaded the may fourth movement ?

Students

Explanation:

Students in China were outraged at China accepting the conditions of the Treaty of Versailles, which gave land to Japan. They started the May Fourth movement to let their outrage be known.

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.

you aint got nothin on my lil weenies