Final answer:
The House of Burgesses was the first representative assembly in the English colonies in 1619, setting the stage for representative government in North America.
Step-by-step explanation:
The first representative assembly in the English colonies in 1619 was the House of Burgesses. On July 30, 1619, the House of Burgesses met for the first time at Jamestown. This assembly was significant for establishing the model of elected representatives in the New World, and it set the stage for the development of representative government in North America.