The correct answer is letter A
The Seven Year War was one of the main military conflicts in the eighteenth century. This war involved several European kingdoms between the years 1756 and 1763, and the conflicts also extended to the colonial territories in Africa, Asia and North America.
Disputes for colonial supremacy (maritime and commercial rule) by the Indies and colonies of North America. These conflicts occurred mainly between France and Great Britain.
Strong differences between European powers over the dominance of territories in Africa, North America and Asia.
Fight between the Austrian Empire and the Kingdom of Prussia to establish control over Silesia (region between Poland, Germany and Czech Republic).
Strong concern of the French, Russians and Austrians over the increasing power of Frederick II, king of Prussia.