Many events of great importance (a) — during the last century. Significant advances (b) — in the field of science and technology. Many European colonies gained independence. The movement (c) — democracy became (d) — in many parts of the world. Two World Wars (e) — in the century. It (f) — witnessed the misuse of atomic energy. Two cities of Japan were completely destroyed as a result of dropping of atom bombs. The Vietnam War and the Gulf War killed many innocent people. However, the (g) — of Bangladesh as an independent nation (h) — a momentous event. After a (i) — war of nine months, Bangladesh was born. Now, we (j) — our heads high as an independent country in the world.