<prompt> Pedzisa mutsara unotevera: Johnson akanga ane hanya nokudzivisa mukana wehondo yenyukireya, uye akatsvaka kuderedza kunetsana muEurope. Hurumende yaJohnson yakatevera zvibvumirano zvekudzora zvombo neSoviet Union, ichisaina Chibvumirano cheOuter Space uye Chibvumirano cheNon-Proliferation yeNuclear Weapons, uye ndokuisa hwaro hwe Strategic Arms Limitation Talks. Purezidhendi Johnson akaita musangano une ushamwari zvikuru naMutungamiriri weSoviet Alexei Kosygin paGlassboro Summit Conference muna 1967; ipapo, muna July 1968 United States, Britain, neSoviet Union dzakasaina Chibvumirano Chokusaparadzira Zvombo, umo mumwe nomumwe wakasaina akabvuma kusabetsera dzimwe nyika kukudziridza kana kuti kuwana zvombo zvenyukireya. Musangano wakanga warongwa wokudzikisa zvombo zvenyukireya pakati peUnited States neSoviet Union wakadzongonyedzwa pashure pokunge mauto eSoviet  <response>: vakadzvinyirira nechisimba Prague Spring, kuedza kuita kuti Czechoslovakia ive nehurumende. 