туда(об американском экспедиционном корпусе в Европе в период Первой мировой войны • Advertisements in the local papers were often war-related, such as encouraging people to buy war bonds or to reduce their sugar consumption so it could be sent to "over there," a common term used when speaking about those fighting in the war in Europe.seacoastonline.com)
in a place a short distance away from you, or in another country(The cafe is just across the road over there.collinsdictionary.com • She'd married some American and settled down over there. • Get over there as quickly as you can. • We'll call and get you a table and a taxi over there right away. • Then he takes out the middle section, so my stomach and one hand are in one place and my head is over there in another.)
to or in Europe, especially: France, the Western Front(informal, US Military, in the First World War (1914–18) ⇒ Hence: to or in a military engagement overseas, a foreign country, etc. • Advertisements in the local papers were often war-related, such as encouraging people to buy war bonds or to reduce their sugar consumption so it could be sent to “over there,” a common term used when speaking about those fighting in the war in Europe.lexico.com)