Editing Invasion (section)

==History==
{{further|Invasionism}}
[[Archaeology|Archaeological]] evidence indicates that invasions have been frequent occurrences since [[prehistory]]. In antiquity, before [[radio]] [[communication]]s and fast [[transportation]], the only way for a military to ensure adequate reinforcements was to move armies as one massive force.   This, by its very nature, led to the strategy of invasion. With invasion came [[cultural diffusion|cultural exchanges]] in government, [[religion]], [[philosophy]], and [[technology]] that shaped the development of much of the [[ancient world]].<ref>
{{cite book
 |title = The Punic Wars: Rome, Carthage, and the Struggle for the Mediterranean
 |author = Bagnall, Nigel |year = 1990 |publisher = Thomas Dunne Books
 |isbn = 0-312-34214-4 |url-access = registration
 |url = https://archive.org/details/punicwars00bagn
}}
</ref>

Before the days of package tours and cut-price airlines, military invasions functioned as a standard major form of proto-[[tourism]]<ref>
Compare:
{{cite book
 | last1 = Sharma
 | first1 = K. K.
 | title = Tourism and Culture
 | url = https://books.google.com/books?id=MTkH01uMiEkC
 | publisher = Sarup & Sons
 | date = 1999
 | page = 30
 | isbn = 978-8176250566
 | access-date = 21 May 2020
 | quote = From its beginnings tourism is a kind of secondary invasion, secondary to outright military invasion or economic penetration.
}}
</ref> – bringing large numbers of foreign visitors into new environments, with the consequential social, cultural and economic impacts on indigenous populations and on the invaders.