"<span>The British hoped to tighten control over the empire" would be the best option, but the main reason beyond this was that they wanted to discourage trade with other nations, in order to increase profits. </span>
The man who sold the Eiffel tower twice was a con artist named Victor Lustig.
The reason the US got involved in the war was because the Japanese bombed Pearl Harbor which then lead the US to fight in the war against Japan,Germany and other countries