Based on the clue 'britains first female pm her popularity soared aft...', what is the answer?

What is associated with: britains beloved queen mum who died in 2002 at age 101 was this queens mum? What is associated with: britains changing rooms gave its designers only around 900 this tlc show goes nuts gives them… Based on the clue 'britains edmund burke called for peace with the co...', what is the answer? What is associated with: britains first cat show in 1871 included black blue white types of this cat with a mideastern… Based on the clue 'britains humber bridge once the longest single spa...', what is the answer? What is associated with: britains longest trial ended in 1997 with 2 pamphleteers found guilty of libeling this fast fo… What is associated with: britains most popular silent film star this woman shares her last name with a 1917 declaration? Based on the clue 'britains oldest known scrap of material called thi...', what is the answer?