Children also start to show a preference for toys and clothing that are traditional for their gender. why do you this is?

Children start to show a preference for toys and clothing that are traditional for their gender because children are most likely to copy the things they see the same sex doing. A lot of children's behaviors can be developed from watching the adult version of themselves and they tend to pick up on what looks normal.

The american and russian labs that have the last of the live virus are run by fallible, corruptible  human  beings, who are given orders by governments staffed by fallible, corruptible  humanbeings. bio-war using  smallpox  isn't out of the question for either country's military establishment.