По мнению экспертов ЦРУ, советский приоритет в освоении космического пространства в 1950-е — начале 1960-х гг. обеспечили:

1.       In England it's sometimes snowy and it is always cold winter.

2.       In spring it's usually sunny but it's sometimes rainy.

3.       Spring starts at the end of March in London.

4.       Many people like spring because the weather is not cold very much.