Cultural pluralism was already relatively high during the founding of the country. Settlers heavily contributed to the cultural pluralism in question.

The claim consists of two main components: first, that cultural pluralism was already relatively high during the founding of the country, and second, that settlers heavily contributed to this pluralism. Historical evidence shows that before European settlers arrived, the land was inhabited by diverse indigenous groups with distinct cultures, indicating an existing form of cultural pluralism. The arrival of European settlers introduced new cultural groups, languages, and traditions, which added to the existing diversity rather than replacing it entirely.

This aligns with the concept of cultural pluralism where multiple cultural identities coexist within a society. While the degree of pluralism at the founding can be debated in terms of scale and recognition, it is accurate that settlers contributed significantly to the cultural mosaic.

However, it is important to note that this pluralism existed alongside conflict and power imbalances between groups. The verdict is mostly true because the statement captures the essence of early American cultural diversity and settler contributions but simplifies complex historical dynamics.