tear gas

group of demonstrators (protesters)

to use / to employ / to make use of, to apply / to spend

most active state, in progress, at one's best / the middle, midst, during / in one's prime

at its prime, midst

a female given name

wafer cake filled with bean jam

demonstration (public display of protest) / demo (a short demonstration of something)

indicates that something undesirable was done or happened

to close / to finish, do something completely / to put away, to put an end to / is, or was (with conjugation), done completely / happens, or happened, unexpectedly / is done with difficulty