I know I am 3 years late but your answer is A and C Hope it helps whoever sees this lol
Answer:
The nationalism and patriotism of European nations, particularly the Great ... World War I. Nationalism is an intense form of patriotism or loyalty to one's country. ... of their home country, placing its interests above those of other nations.
I’m not sure I just need to answer 2 questions
National delegate -cough cough - and more stuff
Answer: from Egypt to South Africa
Explanation: the British managed to link Mediterranean with Indian Ocean and South Atlantic in the end of 19th century. Like that they controlled strategic points in terms of geopolitics. But in fact decline of British Empire started already before 1850s.