official
someone who has an important position in an organization
divide
to separate into more than one part
agree
to have the same opinion or idea
invasion
the arrival of enemies
cross
to go from one side to another
physical
relating to real things that you can see or touch
technology
knowledge, equipment and methods that are used in science and industry
attempt
to try to do something
identification
an official document that proves who you are
request
to ask for something
purpose
reason
prevent
recent
happening or starting a short time ago
document
a piece of paper with official information on it
check
to take a careful look
several
an amount that is more than a few but less than many
major
disappear
unique
different from everyone or everything else
require
to need or demand something
brief
short, not lasting long
feature
an important part of something
freely
without limit or restriction
resource
a valuable thing that belongs to a person, group or country
suddenly
very quickly and without warning