3.Our line of defense was strongly fortified.
4.An earthwork wall used for military defense; a rampart.
5.The rampart was destroyed totally.
6.A wall or embankment raised as a defensive fortification; a rampart.
7.two rival camps in philosophy; two diametrically opposed philosophical theories
8.To impose trade barrier on certain goods
9.a government order imposing a trade barrier.
10.TBT on Foreign Trade of China