Long ago, many countries fought a big war. 

Long ago, many lands fought a big war. 
In North America, people fought over land. 
Many countries joined the fight. Britain and Prussia fought France and Austria. Other lands joined them too.
Leaders made new friends to help them. This changed how the lands worked together.
When the war ended, things were different. Britain grew strong in many places. The world was changed by the war.
The Seven Years' War was a big war. It lasted from 1756 to 1763. 

In North America, the fight started over land. The French built forts near the Ohio River. British settlers wanted that same land for farms. A young man named George Washington was part of an early fight. These small fights led to the larger war.
In Europe, countries made new alliances. An alliance is a deal to help each other. 
When the war ended, the world changed. France lost its lands in North America. Britain became very strong in India. The war helped make Prussia a big power in Europe. 
The Seven Years' War was a huge global conflict. It lasted from 1756 to 1763. 
In North America, the fighting began over land and rivers. 
In Europe, the countries changed their friends in a big way. This was called the Diplomatic Revolution. 
Many different leaders and places were involved in the struggle. 
Peace finally came through several different treaties. 
The Seven Years' War was a massive global conflict fought from 1756 to 1763. 
In North America, the war began due to overlapping territorial claims. 
The tension in North America led to direct military clashes. 
In Europe, the war was driven by a massive shift in alliances known as the Diplomatic Revolution. 
Much of the European fighting centered on the province of Silesia. Years earlier, during the War of the Austrian Succession, the Prussian King Frederick II had seized Silesia from Austria. Empress Maria Theresa of Austria wanted to recover this prosperous land. She used the time after the Treaty of Aix-la-Chapelle in 1748 to rebuild her military. She also sought new alliances, eventually forming a defensive pact with Russia. This meant Prussia had to fight against multiple powerful neighbors at once. The battles in this region were intense, involving famous leaders like Frederick the Great. 
The war had massive consequences for global empires. 
Finally, the war concluded through several different peace treaties. 
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