What is time-compression and what is one of the results of it?

Based on the information in the graph, what can you conclude about humans in the world in general?

Religious conflict in northern ireland started with a) cultural differences resulting from viking invasions around 800 b) england’s split from the catholic church in the 1500s c) rebellions in ireland between 1916 and 1921 d) the norman invasion of england in 1066

How do you think the different landforms of northern and southern europe would affect ways of life in those two areas