The competition between germany and great britain up until the outbreak of world war i was centered on

a naval race.
territory in the americas.
religious differences.
a dispute over morocco.

The competition between Germany and Great Britain up until the outbreak of World War I was centered on a naval race. It was between 1906 and 1914 that created a huge friction between the Germany and Great Britain and it is seen as one of the causes of World War One.

Abolition of slavery