noun, noun or participle which takes 'suru'
unification of the whole country
Historical term referring to the unification of Japan under a single ruler, especially during the Sengoku period. Can also be used metaphorically for dominating a field.
織田信長は天下統一を目指した。
Oda Nobunaga aimed for the unification of the whole country.
彼は業界で天下
He achieved total domination in the industry.