The invention of passenger elevators was the greatest factor in the development of skyscrapers (very tall commercial buildings).<em> The first skyscraper was the Home Insurance Building (originally made of 10 stories) in Chicago, and designed by William Le Baron Jenney.</em> Skyscrapers became more frequent and each time taller because they allowed to create more stories (floors) and to make the most out of a limited space, mainly <em>because passenger elevators made possible to translate from floor to floor without using the stairs. </em>
The themes that played a major role in changing the world between 1450 and 1750 was that plants were being spread together with animals and diseases between the Americas and the rest of the world; mainly Europe. Especially famous are cases where European contact wiped out whole villages and tribes of native American people because they were unable to cope with the bacteria and viruses.
<u>Term 'Alien' in a legal sense refers to the person who is the resident of the foreign country while not being a proper lawful citizen of it.</u>
They can be
legal alien - have some kind of issued permit to be a resident of the country for a certain time, such as tourist visa, work permit, or another kind of document issued by the government
illegal alien - a non-recorded visitor who can even enter the country legally, but in the meantime fallen out of the legal framework of the resistance and keep staying in the country outside of boarders of law.
Well, first of all, he tried attacking various enemies at once for example the USSR in the north east, then with Britains naval ships at Norway, Africa and the other countries on the south, then finally on the west coast with USA Britain
