Final answer:
In a two-party system, political parties tend to converge on the "middle ground" and resemble each other closely, resulting in little distinctive difference in their key policies.
Step-by-step explanation
They write new content and verify and edit content received from contributors. two-party system, political system in which the electorate gives its votes largely to only two major parties and in which one or the other party can win a majority in the legislature. The United States is the classic example of a nation with a two-party system.
A two-party system is more likely to result in political parties that converge on the "middle ground" and often come to resemble each other closely. In a two-party system, both major parties need to appeal to a wide range of voters to have a chance at winning elections, so they tend to moderate their policies to attract a broader base of support. This leads to little distinctive difference in their key policies.