Modern people are Homo sapiens.
Answer:
I would consider the adoption of gun powder
Explanation:
gun powder changed the world and is still widely used today for guns, explosives and rockets.
Answer:
to reduce the amount of excavation work required for the canal above sea level and then lower the ships at the other end
Explanation:
By 'go through', you simply just have to be voted in. the process is rather simple, than what you would expect.
Answer:
fire.
Explanation:
According to the officals, fire can easily occur in sports related things
