Answer:
The natives Americans were getting pushed out of their homes while the American were developing new technologies like railroads and telegraphs and expanding. They called it an invasion because it was originally the Native American's land
An idiot would tell you that robots would take over the world. I honestly believe we as humans have the ability to make sure we don't go that far.
People, especially most Americans, have a borderline fetish for leisure. If it makes things easy, buy it, buy it, buy it now. Likely, more advancements will be made to make sure people won't have to leave their home via conventional ways to go to work. Basically, we get even more lazy than we already are, all things considered. Not to mention new innovations for war.
Some good can come from this, however. We require an alternative to fossil fuels, so green energy will be a must in the future. Advancements in medicine will thrive, after everyone discovers that there really are cures for almost anything (there's just no money for the doctors in curing the disease, only treating it). A cleaner Earth, a better planet, a better ecosystem.
Well if you want to know how it would be not very effective there you go
Before the fifteenth century, European states enjoyed a long history of trade with
places in the Far East, such as India and China. This trade introduced luxury goods
such as cotton, silk, and spices to the European economy. New technological
advancements in maritime navigation and ship construction allowed Europeans to travel
farther and explore parts of the globe that were previously unknown. This, in turn,
provided Europeans with an opportunity to locate luxury goods, which were in high
demand, thereby eliminating Europe’s dependency on Eastern trade. In many ways,
the demand for goods such as sugar, cotton, and rum fueled the expansion of European
empires and their eventual use of slave labor from Africa