the answer is the ural mountains, separating europe and asia
the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures.
the united states has influenced other countries in a variety of ways, including economically and politically.
the rise of the united states as an influencer has been dramatic since after world war ii.
after world war ii, the us began exporting its ideology on countries throughout the world by encouraging them to adopt american style democracy and economic systems and rewarding them with aid money and contracts with american companies in return.