Viruses cannot replicate themselves outisde of a cell.
It'll take 17 hours more or less depends on where your location is
Because of imperialism, countries now had access to colonies. When the war started, they were able to equip their colonies to fight for their side. This led to higher tensions and increased involvement in the war.
They found fertile soil, which they used to grow a variety of crops.
They found the soil unusable, and they had to rely on fishing and hunting for food.
They discovered sandy soil, which they had to convert to grassland in order to grow crops.
They shared their knowledge of crop rotation with Native Americans in order to establish trade.