All countries faced huge financial losses and economic recession during the coarse of the war.
They faced various environment pollution with acid rains affecting many parts of the world. The use of nuclear weapons killed people and also left sufferings to the future generations such as genetic mutations leading to several disorders.
Over 60 million people died in the war, including about 20 million soldiers and 40 million civilians.
Nearly 11 million of these civilian casualties were victims of the Holocaust—which was conducted by Nazi German--largely in Eastern Europe and the Soviet Union.
Of the total deaths in World War II, approximately 85% were on the Allied side (mostly Soviet and Chinese) and 15% on the Axis side.
There are two official theories about the main cause of the accident.
The most agreed theory, proposed by Valeri Legasova and published in 1991, attributed the accident to flaws in the RBMK reactor design, specifically the control rods. This theory is called the flawed design theory .
en route to California from Logan International , Dulles International , and Newark airports.
Two of the airliners were flown into the World Trade Center, one each into the North and South towers, one was flown into the Pentagon, and the fourth, whose ultimate target was probably either the White House or the U.S. Capitol building, crashed near Shanksville, Pennsylvania.
Aside from the 19 hijackers, 2,974 people died as an immediate result of the attacks, and the death of at least one person from lung disease was ruled by a medical examiner to be a result of exposure to WTC dust. Another 24 people are missing and presumed dead, bringing the total number of victims to 2,998 — most of whom were civilians. FATALITIES
Bin Laden initially denied, but later admitted involvement in the incidents.On September 16 , 2001 , bin Laden denied any involvement with the attacks by reading a statement which was broadcast by Qatar 's Al Jazeera satellite channel. Shortly before the U.S. presidential election in 2004, in a taped statement , bin Laden publicly acknowledged al-Qaeda's involvement in the attacks on the U.S, and admitted his direct link to the attacks. RESPONSIBILITY
In the immediate aftermath of the attacks, the Bush administration declared a war on terrorism , with the stated goals of bringing Osama bin Laden and al-Qaeda to justice Immediately after the September 11 attacks U.S. officials speculated on possible involvement by Saddam Hussein ; and invaded IRAQ in 2003.
The thousands of tons of toxic debris resulting from the collapse of the Twin Towers consisted of more
than 2,500 contaminants.
There were also unprecedented levels of dioxin and PAHs from the fires which burned for three months. Some of the dispersed substances (crystalline silica, lead, cadmium, polycyclic aromatic hydrocarbons) are carcinogenic; other substances can trigger kidney, heart, liver and nervous system deterioration.