Answer:
Splendid isolation is a term used to describe the 19th-century British diplomatic practice of avoiding permanent alliances, particularly under the governments of Lord Salisbury between 1885 and 1902.
Explanation:
I believe it was by giving support to the European countries economically and politically.
Nativism is the political policy of promoting the interests of native inhabitants against those of immigrants. However, this is currently more commonly described as an immigration restriction position. In scholarly studies nativism is a standard technical term. The term is typically not accepted by those who hold this political view
C countries cannot produce all they need on their owm