The most important causes of theFrench Revolution were the nation's debt, the refusal of the nobility and the clergy to pay taxes, egalitarian philosophies, and high food costs. These factors destabilized society and increased the political influence of the commoners.
It caused many Cultural, Social, Financial, Political, and Economical Changes for the country. these factorsalso cause Louis XVI to summon the Estates-General In may of 1789(?).
True, the Articles of Confederation gave little power to the central government. The main reason is the central or federal government couldn't tax the states.
The political challenges that the liberal forces faced in Japan was that the Wealthy businessmen had strong influence through donations to political parties.