cause and effect
cause havoc
cause damage
to be convinced
to be sure something is right
take a back seat
not do anything, let others act
cause concern
make somebody worried/alarmed
maintain
insist on believing
to be in a tight corner
to be in a situation that is hard to get out of
unforseen outcome
results that couldn't be predicted
reckon
verb for opinion about something that is likely to happen
get to the bottom of things
find the true explanation for the state of things
sparkle off riots
cause demonstrations
doubt
not be sure about something
to get a grasp of something
understand/find out
immediate cause
direct cause
suspect
have a strong feeling about something
to sweep something under the carpet
ignore things, forget things without solving them