Technolgy influenced many variables throughout time, such as imperial expansion, knowledge of the environment, better medical development, and many other things. If we didn't have the technological advancements that we did throughout the ages, the world would be very different from today. Many things could have gone astray and history would be very different. For example, if boats were never invented, immigration and exploration would be almost non-existent, and the Americas wouldn't have been discovered by Europe. Another thing that would have changed is international trade, trading between countries would be impossible without the use of boats unless the countries were connected by land.
A positive externality or an external benefit that occurs if some of the benefits of the production or consumption of a product spillover into a third party that does not have to pay and even if you don't get vaccinated and others get it first.
While a negative externality or the diseconomy is one that imposes a negative impact and effects on the unrelated third party and due to it imposes the costs to the product and the services of polluting effects.
