He helped the United States win the war and secure (or get) its freedom.
他帮助美国打赢了这场战争并获得了(或得到了)自由。
When the war ended in 1783, Washington was tired of fighting.
1783年战争结束时,华盛顿厌倦了打仗。
He wanted to return to his home in Virginia and work on his plantation (or big farm).
他想回到弗吉尼亚州的家中,在他的种植园(或大农场)上劳作。
However, once he was there, he began to understand that there were many problems with the Articles of Confederation (or the legal document that existed before the Constitution).
然而,一回到家中,他就开始认识到《邦联条例》(或宪法的前身)存在诸多问题。
He decided to help the other Founding Fathers create a new legal document for the country and went to participate in the Constitutional Convention.
他决定帮助其他开国元勋为这个国家制定一个新的法律文件,并参加了制宪会议。
The other members of the Constitutional Convention unanimously voted (or all voted in agreement) to make him the president of the Convention.
制宪会议的其他成员一致投票同意(或全部投票同意)让他成为会议的主席。
The Constitution was written under his leadership in 1787.
在他的主持下,宪法于1787年起草。
Just two years later, in 1789, George Washington became the first president of the United States.
仅仅过了两年,也就是1789年,乔治·华盛顿成为了美国的第一任总统。
George Washington had a major (or very important) influence (or effect) on the United States as the country was developing.
随着美国的发展,乔治·华盛顿对该国有着重大的(或非常重要的)作用(或影响)。
That is why he is often called the "Father of our Country."
这就是为什么他经常被称为“我们的国父”。