Peter Cracow:
Asymetric Pl/Cz feelings have a few reasons:
1. Czechs were not considered as a danger for Poland but Poland for Czechs was.
It is a mistake. I. e. during attack in 1918 Czechs took Cieszyn and Skoczow (or close areas) and wanted to move toward Bielsko-Biala. International diplomatic - not military - action saved these territories for Poland. Poland could not protect it's territory against 5x smaller country.
It's true the Poles did not consider the Czechs as a danger, but they were careful not to turn their back on the Czechs because of the strong sympathy of the Czechs for Bolshevism at the time. In any eventual future conflict the Czechs were likely to side with the Russians or take advantage of any future engagement the Poles might have with Russia, as happened in the Zalozie incident.
2. Czechoslovakia before WW2 was one of the most developed, democratic European country (Swiss were just poor higlanders that time) while Poland was reunited from 3 parts bankrupted state with primitive agriculture, almost vanished industry and miserable elite. Czechoslovakia impressed Poles but not vice versa.
Unlike the Czechs the Poles actually had their own elite, who were not Germanized(as was the case with the Czechs) or Russified. The state of the country after the war was a reflection of the fact the the Russians and Germans to a large extant fought their conflicts on Polish soil. I don't recall the Czechs ever impressing the Poles, they did have Polish sympathy as a country that was denied its independence for close to 500 years.
3. Funny and child-like Czech language with these all words which songs in Polish ears like lisping or first swearing of 5 years old baby or so. Most Poles listening Czech can not avoid smile. It causes psychological bechavioral effect. Reaction is followed by feelings. In contrary, Polish is regarded as a rude language by Czechs.
I agree
4. Ignorance about Polish/Czchoslovakian war in 1918 of former Cieszyn duchy area. Even Polish president (Kaczynski) seemed to be not informed properly or made this episode a scapegoat of his policy. Shortly: Populated by 60% Poles and 5% Czechs territory was taken by Czech and was to be retrieved by agreement (broken by German attack) to protect local Poles. At last Poland overtaked Germay but is regarded as aggressor - even by Poles.
I agree 5. Population movements after WW2. Relative rich resident citizen German-style Czech society faced on the other side of the border people brought to the western Polish territories in a cattle cars from far, far "wild east". They took post-German houses, farms and industry but cultural differences were enormous. Even today crossing border in that areal is interesting experience.
I am not so sure about that6. Pl/Cz war of Klodzka Valley. Austro-Hungarian Empire (in the name of Czechs) lost Klodzka Valley. Germany (in the name of their future "conquerors" - Poles) won Klodzka Valley. Czechs really don't beside theirself with fury. After WW2 even a few bullets were pushed on the other side of the border (with a nice response). Fortunately it was finished without corpses. I don't have much information about that
7. Complexes and feeling of superiority/inferiority and lost of importance of the small country with ambitions. Czechs lost their positions during last 70 years tremendously. Unexpectedly Poles achieved much better position then before WW2. Transferred toward west geographically and mentally, having relatively big political and economic power Poland is harder competitor.
not necessarily.