谁能解析一下这句英语Although many people had long regarded the Star-

谁能解析一下这句英语
Although many people had long regarded the Star-Spangled Banner as the national
anthem in was not officially designated as such until 1916. 这句话的后半句in was not 和as such是什么用法?整句的意思我明白,就是解释一下这两个地方为什么这么用,in为什么在was前?还有as such是怎么用的?

in 应该是 it,指代the Star-Spangled Banner as the national
anthem 这件事.
such 指代这个 national anthem
designate sth as 固定搭配

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