about 13 years
syria
Most of the fighting took place in France.
The bulk of the World War 1 was fought in France, Belgium and Luxembourg.
At 3 miles per hour, 347 days. a long time
about 13 years
15 years.
it will probably take centuries
they need money to rebuild and i do not konw
3years?
about 2 years
it took about a year and a half
Bout 2 minutes
1-2 years
2 seconds
See: Atomic bombings of Hiroshima and Nagasaki.
The estimate is about 15 years.