What does thomas jefferson mean when he describes the right to life liberty and the pursuit of happiness as unalienable in the declaration of independence

According to greenville why does great britain have a large debt and who should pay that debt? ?

Who did the first work in creating vaccines

Plz which of the following provisions of the compromise of 1850 was designed to appeal to slave states? a. congress passed a strict fugitive slave law. b. the slave trade was banned in washington dc. c. texas agreed to give away some of its land so that the territory would be available for future states. d. california was admitted to the union as a free state.