Helicopters were credited with greatly expanding the capabilities of navy ships during the 1960s?

Absolutely! Especially for example during the Vietnam war you had navy aircraft carriers off the coast providing troops and material that instead of being dropped by large aircraft could simply be carried by helicopters, notably the Chinook and Huey were the most vital 

Economic success prussia had a very strong economy, partly due to the success of the zollverein. stronger prussian army king wilhelm wanted to build a bigger, stronger army but was blocked by the prussian landtag (parliament).-credits to google for putting answer -credits to slideshare for making answer-credits to me for putting answer on brain.ly