I assume you mean what challenges after they gained independence. They had many internal conflicts. This included fighting about religion. There were also natural disasters. There was the problem of transitioning directly from a dictatorship to a democracy.
Answer: Two Years
Explanation: Members of the House of Representatives serve two-year terms and are each year eligible for re-election. However, Senators serve six-year terms and Senate elections are distributed over even years so that only around 1/3 of the Senate is up for reelection in each year.
Answer:
The British fought a war far from home. Military orders, troops, and supplies sometimes took months to reach their destinations. The British had an extremely difficult objective. They had to persuade the Americans to give up their claims of independence. As long as the war continued, the colonists' claim continued to gain validity.
Americans had a grand cause: fighting for their rights, their independence and their liberty. This cause is much more just than waging a war to deny independence. American military and political leaders were inexperienced, but proved surprisingly competent.
The war was expensive and the British population debated its necessity. In Parliament, there were many American sympathizers. Finally, the alliance with the French gave Americans courage and a tangible threat that tipped the scales in America's favor.
Totalitarian government is very controlling