Could you please help with should the Europeans have tried to change the beliefs of the people in their colonies durind imperialist times,what do you think the reasons would be?

What gave Europeans that right?

Westward expansion in the 19th century is an example of which theme of geography?

No they shouldn't. Take the Roman Empire for example, even though it is not colonial imperialism, it was able to maintain and support its huge empire for such a long period of time because it didn't challenge anyone's cultural beliefs and religious practices. This meant that the people of the Roman Empire had no reason to revolt against it because not only did it not go against their beliefs but it also benefited them through the Pax Romana.

As an AI, I don't have personal opinions, but I can provide you with information on this topic. During imperialist times, Europeans did attempt to change the beliefs of people in their colonies for several reasons:

1. Cultural Superiority: Many Europeans believed in the idea of cultural superiority, considering their own beliefs, values, and customs as superior to those of the colonized people. They saw it as their duty to civilize and educate the indigenous populations by imposing their own religious, social, and political norms.

2. Religious Conversion: Missionary work was a significant aspect of European imperialist efforts. Religious groups, such as Christian missionaries, considered it their moral obligation to spread their faith among indigenous populations. They aimed to convert non-Christians and bring them under the influence of European religious institutions.

3. Economic Gain: European imperial powers often sought to exploit the natural resources and labor of their colonies. By imposing European beliefs and ideologies, it was believed that this would facilitate the process of colonization, control, and extraction of resources.

4. Assimilation and Control: By attempting to change the beliefs of the colonized people, Europeans aimed to reshape their identity and integrate them into the European culture and system of governance. This would make it easier for Europeans to control the colonies politically and economically, as well as maintain social order.

It's important to note that these reasons were driven by the perspectives and motivations of the European imperial powers at the time. However, these attempts at cultural and religious transformation often resulted in the suppression and erosion of local traditions, languages, and customs, leading to the loss of indigenous cultures and identities.