How did spain and portugal solve their issue on where to explore in the world?

Spain and Portugal solved their differences over claims to new lands by signing the Treaty of Tordesillas.

Explanation:It divided the world into two areas. Portugal won the right to control the eastern part; including Africa, India, and other parts of Asia. Spain got the western parts; including most of the Americas.

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories

the industrial revolution pushed the world into modern industrialization. it changed the course of history profoundly. it caused rapid urbanization and pushed cities and countries into development. the industrial revolution began in great britain with a series with new inventions which led to the creation of machines and mass production.

this caused the country to gain wealth and money and become an international superpower. it improved transportation and manufacturing inside the country, pushed people to live in urban areas and britain to become the most powerful nation in the world for a while.