Lusitania was primarily used to ferry people and goods across the Atlantic Ocean between the United States and Great Britain. The sinking was important because
Its sinking caused moral outrage both in Britain and in the US and led, ultimately, to the USA declaring war against Germany.
The correct answer is West Germany. I did a little research and I am positive the answer is 'A'. Hoped I wasn't too late to help out.
Germany is one if you consider the split of west and east germany
A= He argued that observations and experimentation are the most important tools for understanding the natural world