Misc: In 1848 Mexico sells U.S. Texas, California, ---------- and Arizona.?

Questions

what european country is alphabetically first?

what palace is found on the site of james i's mulberry orchard?

who has had hits with heartbeat, 5-6-7-8 and tragedy?

who were howard, robbie, mark, gary and jason?

which album won the best album award at the 1997 brits for manic street preachers?