I don't know what article you are referring to but a<span>t the outbreak of the Second World War, he was again appointed First Lord of the Admiralty. Following Neville Chamberlain's resignation in </span>May 1940<span>, Churchill became Prime Minister.</span>
The countries not included in the original alliance system were pulled into the war because they had alliances with the countries within the original alliance system. That they promised to be on their side should there ever be a war. However, this caused many conflicts because some countries had alliances with both sides.
Hope this helps.
Ancient Indian civilizations had many different achievements. The most important is probably medicinine. One very popular ancient Indian medicine is known as Ayurveda. This involves many different herbs and the healing of body and mind. India is also known for being the first place to use algebra and even calculus, and also invented the number zero.