Not In Safe

The Tension Between the Fallen Country and the Falormar Country at a Time of High World Tension in 2050, It led to the outbreak of World War III. The weapons used in this war contained a lot of chemicals. Tumanland Nation Uses the "Border" Weapon Under Development to Reach All Nations of the World Caused Unprecedented Amounts of Damage The 2 Substances in this weapon reacted with each other and a poisonous gas was produced. This gas spread slowly, but within its inhalation it instantly killed the person who inhaled it. Because of this gas, most people lost their lives. The Rest Began to Build Shelters to Protect Themselves from the Gas. The Shelters were safe, but the chemical weapons used by other countries had harmed animals and plants, and some of the animals even mutated. As a result of this mutation, animals attacked everything they saw, including Shelters People had to fight both hunger and these animals, what will people do to win this war?

First of all, Greetings to you all.
I'm new to Writing, so I apologize to all of you for my mistakes.