Misc: What is SALT an acronym for?

Questions

If you told someone that they were one in a million, you'd be saying there were ---------- of them in China.?

If you travel across the Russia, you will cross ---------- time zones.?

In 1825, Upper Peru became---------- .?

In 1845, ice shipped to ---------- cost $1 per pound.?

In 1892, Italy raised the minimum age for marriage for girls to---------- .?