What is the smallest mammal in the world by weight?

Etruscan Shrew

Who portrays Superman in the DCEU movies, starting with "Man of Steel"? Who wrote the national anthem of the United States? Which Southeast Asian nation was colonized by the Dutch in the 17th century? Which character famously proposes multiple times throughout the series? What 19th-century American circus impresario was known for promoting extravagant shows?