Answer:
Materials and markets.
Explanation:
Colonies in the later 19th century began to spread as there was a need for raw materials for the industries in Europe. To keep industries operating, there was a need for materials to produce products and to give industries work to workers. Colonialism also introduced markets to sell their manufacturing products. Colonies were depending on supplies from Europe.
It was the Storming of Bastille.
The decline of the Ottoman Empire allowed Austria -Hungary to spread it's influence in Bosnia which upset the balance between the Great Powers in that region. if the Ottoman Empire was stronger Bosnia would have stayed firmly under ottoman control
The innovations led to an increase in deforestation and pollution so environmental issues. But it allowed the United States to be a strong country economically and politically.