帮忙看两道填空题

debilitateUID: 3394062

1
Because early United States writers thought that the mark of great literature was
grandiosity and elegance not to be found in common speech, they  _______  the
vernacular
选项就不写了，答案是avoided，没有理解because后面这个从句怎样断句，尤其是not to be 是补充说明那个词语

2
As long as the nuclear family is      a larger kinship group through contiguous
residence on undivided land, the pressure to      and thus to get along with
relatives is strong.
答案是embeded share
我没有搞懂，前一句和后一句有什么因果关系

onionotUID: 3174824

1
因为早期美国的一些作家认为伟大文学作品（great literature）的标志是grandiosity和elegance，且这两种标志在common speech中没有体现，所以他们避免使用vernacular（vernacular=common speech）。not to be found in common speech修饰grandiosity and elegance， 补充完整是grandiosity and elegance which is not to be found in common speech
2
nuclear family居住在没有细分的地方（undivided land），不可避免的需要同邻居打交道（contiguous residence），所以（相比分开居住的家庭）不得不跟邻居分享和相处的机会多一些，压力就大一些啦~