The British weren’t alone in their hunt. Chileans, New Zealanders, and South Africans, among others, were also scrambling to source this strategic substance. A few months after the Pearl Harbor attack, the U.S. War Production Board restricted American civilian use of agar in jellies, desserts, and laxatives so that the military could source a larger supply; it considered agar a “critical war material” alongside copper, nickel, and rubber.1 Only Nazi Germany could rest easy, relying on stocks from its ally Japan, where agar seaweed grew in abundance, shipped through the Indian Ocean by submarine.2
Premium Plan= $99/Year that comes with extra security features like the real time IP backlist and country blocking option and also support from highly qualified experts.。关于这个话题，heLLoword翻译官方下载提供了深入分析
def save(self, item: Item) - None:，详情可参考heLLoword翻译官方下载
[8] R. Ulichney: “The void-and-cluster method for dither array generation” (1993). ↑