A:water pollution in the river Thames
FYI: This occurred in London, in July and August
Before the USS Maine exploded, the United States was trying to expand as a world power. Thus, many Americans blamed Spain for the explosion of the USS Maine because it gave them a reason to declare war on Spain and take control of Spanish territory in the Pacific and Caribbean.
<span>Most of the political power moved to Parliament.</span>
To protect its head start, Britain tried to enforce strict rules against exporting inventions.