building up:
gradually forming and getting bigger
the polls: the places people go
to vote in an election
decade: ten years
along racial lines: depending on their race, skin colour or
ethnic origins
to sweep to victory: to easily win with a large majority
cast his ballot: voted - literally he placed the paper on
which he marked his choice into the box used to collect the votes
voted - literally he placed the paper on which he marked his choice
into the box used to collect the votes
potential flashpoint: possible area of conflict or trouble
deployed: organised and positioned so that they are ready
for action
by and large: in general