REBUILD THE WORLD

The 20th century has seen the most devastating wars the world had seen to that day, with the economy, and population increasing, it was not a question of battles anymore, but of exhaustion. With each power creating new weapons, each as destructive as the other. Also the imperialism reached its peak at the beginning of that century. It also saw the birth of new government types, and the Independence and birth of new nations, World powers shifted, and while wars killed of the old superpowers, new were born from its ashes.
It also saw hundreds of atrocities, committed by all nations around the globe. And discoveries going further than the Horizon.
This is a tier staring at the beginning of this new age, and working through the time.
Will history repeat itself, or will YOU change the world.