Homestead Act accelerated the settlement of the western territory by granting adult heads of families 160 acres of surveyed public land for a minimal filing fee and 5 years of continuous residence on that land.
Someone who watches over and spectates the thing or event going on kinda like a supervisor.
During the Age of Imperialism, South Africa's situation could be seen as "unique" because Natives and whites worked side-by-side in the colonial administration there.
Option: D
Explanation:
During the age of imperialism Europeans set new colonies in the Africa and white and black people worked side by side in the new colonial establishment. For fulfilling religious, political motives colonies were built up in new continent.
Besides all other negative effects one unique effect is that Europeans invaded into African society and live there side by side a create a new socio-cultural set up of African-American set up. Europeans disturbed African's natives farming practices.