共産: communism / 協賛: collaboration by companies or groups on events or projects

換算: conversion, exchange / 閑散: emptiness; leisure

閑散: empty, deserted; free, not busy, slack

換算: to convert, to exchange

産業化: industrialization

Alternative form of ニューブリテン島 (“New Britain (an island in Papua New Guinea)”)

briefs (male underwear)

after a long time; for the first time in a while

Alternative form of セレブリティ (sereburiti, “celebrity”) (a famous person)

military force, armed might, the sword