What factor can lead to the developed of mixed economies? what led to the development of us goverment economic programs in the 1920s and 1930s

Because of the disadvantages of a market economic system most countries in the world choose to use a mixed economic system.

The mixed economic system combines government planning with the use of the free market. In the mixed economy, just as in the market economy, people and firms in the private sector own scarce resources with the aim of making as much money as possible. However in mixed economies the government or public sector also owns some scarce resources to produce goods and services that they think their country and its people need and want.

Throughout the 1920s, the U.S. economy expanded rapidly, and the nation’s total wealth more than doubled between 1920 and 1929.

The stock market, centered at the New York Stock Exchange on Wall Street in New York City,  where everyone from millionaire tycoons to cooks and janitors invested their savings in stocks. Consequently, the stock market experienced a rapid expansion, reaching its peak in August 1929.

By then, production had already declined and unemployment had increased, leaving stock prices much higher than their actual value. In addition to this, wages at that time were low, consumer debt was proliferating, the agricultural sector of the economy was affected by drought and falling food prices, and banks had an excess of large loans that could not be liquidated.

The American economy entered a mild recession during the summer of 1929, as consumer spending slowed and unsold goods began to pile up, which in turn slowed factory production. Nevertheless, stock prices sky-rocketed.

take five to 10 minutes to warm up and cool down properly.

plan to start slowly and boost your activity level gradually unless you are already exercising frequently and vigorously.

be aware that training too hard or too often can cause overuse injuries like stress fractures, stiff or sore joints and muscles, and inflamed tendons and ligaments. sports prompting repetitive wear and tear on certain parts of your body — such as swimming (shoulders), jogging (knees, ankles, and feet), tennis (elbows) — are often overuse culprits, too. a mix of different kinds of activities and sufficient rest is safer.

listen to your body. hold off on exercise when you're sick or feeling very fatigued. cut back if you cannot finish an exercise session, feel faint after exercise or fatigued during the day, or suffer persistent aches and pains in joints after exercising.

if you stop exercising for a while, drop back to a lower level of exercise initially. if you're doing strength training, for example, lift lighter weights or do fewer reps or sets.

for most people, simply drinking plenty of water is sufficient. but if you're working out especially hard or doing a marathon or triathlon, choose drinks that replace fluids plus essential electrolytes.

choose clothes and shoes designed for your type of exercise. replace shoes every six months as cushioning wears out.

for strength training, good form is essential. initially use no weight, or very light weights, when learning the exercises. never sacrifice good form by hurrying to finish reps or sets, or struggling to lift heavier weights.

exercising vigorously in hot, humid conditions can lead to serious overheating and dehydration. slow your pace when the temperature rises above 70°f. on days when the thermometer is expected to reach 80°f, exercise during cooler morning or evening hours or at an air-conditioned gym. watch for signs of overheating, such as headache, dizziness, nausea, faintness, cramps, or palpitations.

dress properly for cold-weather workouts to avoid hypothermia. depending on the temperature, wear layers you can peel off as you warm up. don't forget gloves.

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