what do the japanese hornets do to give a signal to the others in their colony that a european honeybee nest is in the area?

Yellowjackets are attracted to the sweetness of human foods, especially in autumn.

Wataburger and in florida

The war began as a fight between mayans and the landowners of the country. the main causes of the guatemalan civil war was started by the greed of the united fruit company, the fear of communism, and the racism toward the  mayan  people.