After about 10 years of independence, which republic became the 28th state in 1845?

South Africa's Blombos Cave, occupied long ago, has some of the earliest known tools made of which animal material? Africa's record low was set at Ifrane in 1935. In which country is Ifrane? Afrikaners might spell which 1985 Schwarzenegger film with a K? After a five-year term, which Polish president was defeated for re-election in 1995? After 11½ years in office, who resigned as British prime minister in 1990? After 11 years of marriage, which actress and David Arquette announced a separation in 2010? After 12 seasons, Angela Lansbury closed the book on which series in 1996? After about 1,400 orbits, which satellite fell back to Earth and burned up on January 4, 1958?