Explanation

decadence

تنزلی

Explanation

During 1989 and 1990, the Berlin Wall came down, borders opened, and free elections ousted Communist regimes everywhere in eastern Europe.

In late 1991 the Soviet Union itself dissolved into its component republics. With stunning speed, the Iron Curtain was lifted and the Cold War came to an end.

Explanation

The New START Treaty was signed between United States and Russia in 2010 in Prague (capital of Czech Republic).

It entered into force in 2011.

Under the treaty, the countries will reduce their strategic nuclear missile launchers by half.

Explanation

These are squares of 10, 9, 8, 7

Hence, the next number would be 6 and its square is 36

Explanation

A key for stability and prosperity of the international community is dynamism that is created by combining

 “Two Continents” : Asia that is rapidly growing and Africa that possess huge potential of growth; and

 “Two Oceans” : Free and open Pacific Ocean and Indian Ocean